A kangaroo hopped at 22 meters per second, saw a skunk and then
hopped at 52 meters per second. This is an example of which of the
following?
Acceleration
Velocity
Speed
motion graphs

Answers

Answer 1

Answer:

this is an example of acceleration


Related Questions

answer all please!!!!!!!!!!✌​

Answers

Answer:

koj ruam zog

Explanation:

Answer:

the answer of 7th question

Make sure your dishwasher is full before you use it – running a half-empty dishwasher wastes large amounts of energy

Try to use a cooler temperature

Consider drying your clothes outside if it’s warm instead of using the dryer

Turn off the fan when you leave a room

Close your drapes or drop your window shades during the day.

Wash your clothes in cold water.

Wrap or cover foods and drinks in the refrigerator.

Always use the cold water faucet, unless you really want hot water.

the answer of 10th question

Static electricity is used in pollution control by applying a static charge to dirt particles in the air and then collecting those charged particles on a plate or collector of the opposite electrical charge. These devices are commonly known as “electrostatic precipitators.

Question 4 (point)
What is the charge of the nucleus for the atom below?
O a
varies
Positive
Oc
Od
Neutral
Negative

Answers

Answer:

Positive

Explanation:

Tbh I dont have an explanation I just wanted to give the answer but its for sure correct!

Name 2 fundamental units of SI system except that of MKS system.​

Answers

The others are:

Ampere

Mol

Candela

Answer:

Ampare mole candela

hope it is helpful to you

Balanced Forces acting on an object will not change the object's motion. Unbalanced Forces acting on an object will change the change the object's motion.

Answers

Answer:

TRUE

Explanation:

The answer is true.

Balance forces acting on a body will not change the motion of the body because the body experiences no net resultant force in one direction. When any body experiences equal forces with opposite directions, the net force or the resultant force experience by the body is zero.

In case of an unbalanced forces, there is a net force acting in one direction and so it causes the body to change in its state of motion in the direction of the net force.

10. Scientists created models that show a rocky asteroid crashing into a moon (less mass) a
planet (more mass). In both crashes, the asteroid was the same mass. Scientists want to kno
happened to the asteroid. Use the information in the diagram to answer.
In which crash did the asteroid experience a stronger force? How do you know?
a
Crash 2; the force on the planet was stronger in this crash, so the force on the astero
also stronger.
There was no force on the asteroid. Only the moon and planet experienced a force in

Answers

Answer:

The diagram doesn’t tell you anything about the force on the asteroid. It only gives information about the force on the planet and the moon.

Explanation:

What made "Lunar Orbit Rendezvous" such an attractive method to get to the Moon that it was selected by NASA in July, 1962

Answers

Answer:

I don't know the answer

A 4 kg jug of juice is pulled forward across a horizontal breakfast table, by a 12 N forward-directed force. A frictional force also impedes the jug's motion. What is the coefficient of kinetic friction between the table and jug, if the jug accelerates to the right at 2 m/s^2 ?

A 0.08
B 0.1
C 0.2
D 0.3

Answers

Answer:

0.1

Explanation:

According to equation of motion;

\sum F = ma

m is the mass of the body

a is the acceleration

\sum F = Fm - Ff (along the horizontal)

Fm is the moving force

Ff is the frictional force

Given;

Fm = 12N

Ff = nR = nmg

Ff = n(4)(9.8)

Ff = 39.2n

Substitute the given value into the expression above;

Fm - Ff = ma

12 - 39.2n = 4(2)

-39.2n = 8-12

-39.2n = -4

n = 4/39.2

n = 0.1

Hence the coefficient of kinetic friction between the table and jug is 0.1

Albert Bandura’s theory, originally called social learning theory, is now referred to as __________, and it suggests cognitive processes play a role in influencing one’s personality.

Answers

Answer:

social cognitive theory

Explanation:

Albert Bandura's theory, originally called social learning theory, is now referred to as social cognitive theory, and it suggests cognitive processes play a role in influencing one's personality.

Albert Bandura's theory, originally called social learning theory, is now referred to as social cognitive theory, and it suggests cognitive processes play a role in influencing one's personality.

What are cognitive processes?

Cognitive processes refer to the mental processes involved in perception, attention, memory, reasoning, problem-solving, and decision-making. They involve the use of knowledge, experience, and understanding to process information and make sense of the world around us.

Here, examples of cognitive processes include perception, attention, memory, language processing, and executive functions such as planning and decision-making. Cognitive processes are essential for learning, problem-solving, and adaptive behavior, and they are an important focus of study in psychology and cognitive science.

Albert Bandura's theory, originally called social learning theory, is now referred to as social cognitive theory, and it suggests cognitive processes play a role in influencing one's personality.

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starting from rest, a car accelerates to 45 m/s in 1 minute. what is the average acceleration of the car in m/s^2 ?

Answers

Answer:

given us,

initial velocity (u)= 45m/s

time(t)= 1 min

final velocity (v)=?

here,

average acceleration = v-u/t

= v- 45/1

v= 45/1

:. v=45m/s

:. the average acceleration of the car in m/s^2 is 45m/s

Explanation:

we can use acceleration formula

The force of 5N south acts concurrently with force of 5N 30 degrees South of East

A. Draw the diagram - TAIL to TAIL

B. Label both vectors (see page one for example)

C. Draw and LABEL the resultant and equilibrant

D.Find the magnitude and direction of the resultant and equilibrant


(scale: 1cm = 1N)

Answers

Answer:

The magnitude and direction of the resultant is 8.66 N and [tex]60^{\circ}[/tex] south of East.

The magnitude and direction the equilibrant is 8.66 N and [tex]60^{\circ}[/tex] North of West respectively.

Explanation:

Let

[tex]P=5\ \text{N}\ \text{south}[/tex]

[tex]Q=5\ \text{N}\ 30^{\circ}\ \text{south of east}[/tex]

[tex]\theta[/tex] = Angle between P and Q = [tex]60^{\circ}[/tex]

Magnitude of resultant

[tex]R=\sqrt{P^2+Q^2+2PQ\cos\theta}\\\Rightarrow R=\sqrt{5^2+5^2+2\times 5\times 5\cos60^{\circ}}\\\Rightarrow R=8.66\ \text{N}[/tex]

Direction is given by

[tex]\theta=\tan^{-1}\dfrac{Q\sin\theta}{P+Q\sin\theta}\\\Rightarrow \theta=\tan^{-1}\dfrac{5\sin60^{\circ}}{5+5\sin60^{\circ}}\\\Rightarrow \theta=30^{\circ}[/tex]

The magnitude and direction of the resultant is 8.66 N and [tex]30^{\circ}+30^{\circ}=60^{\circ}[/tex] south of East.

The magnitude and direction the equilibrant is 8.66 N and [tex]60^{\circ}[/tex] North of West.

Refinery EM can produce 22 gallons of gasoline or 18 gallons of flight fuel per barrel of crude oil. Refinery CG can produce 18 gallons of gasoline or 16 gallons of flight fuel per barrel of crude oil. Does OUTPUT vary or does INPUT vary in this problem?

Answers

Answer:

Output varies

Explanation:

Here the outputs of gallons of gasoline and flight fuel is mentioned of two refineries namely Refinery EM and Refinery CG. The output has been mentioned with respect to one barrel of crude oil. So, one barrel of crude is used by both the refineries.

So, here the output (gallons of gasoline and flight fuel) varies while the input (one barrel of crude oil) remains constant.

Anybody know the acceleration of the box

Answers

It looks like the diagram is telling you that there is a net force of 8 N + 4 N = 12 N pointed to the right. By Newton's second law, the magnitude of the net force F is equal to the mass m times the acceleration a :

F = m a

12 N = (4 kg) a

a = (12 N) / (4 kg)

a = 3 m/s²


The acceleration of a runner is -1.35 m/s/s down a hill. This means that the runner is?

Answers

Explanation:

Thats actually negative acceleration . It means a runner is running with the negative velocity of 1.35 m/s in every second .

PLEASE HELP !
What is the acceleration of a ball that starts at rest and increases in speed
to 20 m/s in 45 seconds? *

Answers

20/45 = 0.4? I’m not sure but I think this is it
20/45 which will be 0.4:))

PLSSSS HELPPP What effects do mutations have? Check all that apply.

A) could change protein shape
B)never change protein shape
C)might be neutral
D)always change the way a trait is observed
E)might be harmful
F)might be beneficial

Answers

Answer:

E, F, A, C

Explanation:

They cannot change the way a trait is observed

Mutations could change protein shape(A), could cause genetic disorders and harm you(E), could actually be beneficial and cause adaptations to your environment(F), or they could be neutral in which no changes are observantly notable(C).

Hope this helps

(NEED HELP ASAP)
In a lab investigation one group of students (group a) measures the speed of a 0.1 toy car to be 2.5 m/s at the bottom of a ramp another group of students (group b) measures the speed of the car to be 3 m/s at the bottom of the ramp the cars starting position at the top of the ramp is 1 m high.

a. what is the potential energy of the car at the beginning of the experiment before it's speed is measured?

b. Calculate the kinetic energy of the car for group a.

C. Calculate the kinetic energy for the car for group b.

Answers

Answer:

a = 0.98J

Explanation:

PE = mgh

PE = 0.1 x 9.8 x 1

PE = 0.98J

(a) The potential energy of the car at the beginning of the experiment is 9.8(m) J.

(b) The kinetic energy of the car for group a is 3.125(m) J.

(c) The kinetic energy of the car for group b is 4.5(m) J.

Potential energy of the car at the beginning of the experiment

The potential energy of the car is calculated as follows;

P.E = mgh

where;

m is mass of the carg is accleration due to gravityh is height of the car

P.E = m x 9.8 x 1

P.E = 9.8(m) J

Kinetic energy of the car for group a

K.E = ¹/₂mv²

K.E = ¹/₂ x m x (2.5)²

K.E = 3.125(m) J

Kinetic energy of the car for group b

K.E = ¹/₂mv²

K.E = ¹/₂ x m x (3)²

K.E = 4.5(m) J

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At a picnic, there is a contest in which hoses are used to shoot water at a beach ball from three different directions. As a result, three forces act on the ball, F1, F2, and F3. The magnitudes of F1 and F2 are F1=50.0N and F2=90.0N. F1 acts under the angle of 60degrees with respect to the x axis and F2 is directed along the x-axis. Find the magnitude and direction of F3 such that the resultant force acting on the ball is zero.

Answers

Answer:

F₃ = 122.88 N

θ₃ = 20.63°

Explanation:

First we find the components of F₁:

For x-component:

F₁ₓ = F₁ Cos θ₁

F₁ₓ = (50 N) Cos 60°

F₁ₓ = 25 N

For y-component:

F₁y = F₁ Sin θ₁

F₁y = (50 N) Sin 60°

F₁y = 43.3 N

Now, for F₂. As, F₂ acts along x-axis. Therefore, its y-component will be zero and its x-xomponent will be equal to the magnitude of force itself:

F₂ₓ = F₂ = 90 N

F₂y = 0 N

Now, for the resultant force on ball to be zero, the sum of x-components of the forces and the sum of the y-component of the forces must also be equal to zero:

F₁ₓ + F₂ₓ + F₃ₓ = 0 N

25 N + 90 N + F₃ₓ = 0 N

F₃ₓ = - 115 N

for y-components:

F₁y + F₂y + F₃y = 0 N

43.3 N + 0 N + F₃y = 0 N

F₃y = - 43.3 N

Now, the magnitude of F₃ can be found as:

F₃ = √F₃ₓ² + F₃y²

F₃ = √[(- 115 N)² + (- 43.3 N)²]

F₃ = 122.88 N

and the direction is given as:

θ₃ = tan⁻¹(F₃y/F₃ₓ) = tan⁻¹(-43.3 N/-115 N)

θ₃ = 20.63°

The Total Kinetic Energy of moving particles of matter is called ______ energy?

Answers

Answer: thermal energy

Explanation: hope this helps

can you please help me?

Answers

Answer:

Iron, You're Welcome :)

Answer:

iron

Explanation:

A cow standing atop a building in Times Square recalled a funny joke and began to laugh. The uncontrollable laughter caused the cow to fall over the side of the building. He fell for a time period of 3.5 s and landed in a bed of bushes. How fast was the cow moo-ving when he reached the bushes?

Which equation should be used to solve the problem?

Answers

Answer:

Vf = 34.3 m/s

1st equation of motion was used to solve.

Explanation:

In order to find the final speed of the cow, when it hits the bushes, we can use first equation of motion:

Vf = Vi + gt

where,

Vf = Final Velocity of Cow = ?

Vi = Initial Velocity of Cow = 0 m/s

g = acceleration due to gravity = 9.8 m/s²

t = time taken = 3.5 s

Therefore,

Vf = 0 m/s + (9.8 m/s²)(3.5 s)

Vf = 34.3 m/s

1st equation of motion was used to solve.

If the white car experiences a change in momentum equal to 105,000 kg*m/s and is in contact with the red car for 5 seconds before coming to rest, how much force, in Newtons, does the white car experience during the collision?

Answers

Answer:

21000 N

Explanation:

From the question given above, the following data were obtained:

Change in momentum = 105000 kg.m/s

Time = 5s

Force =?

Force is related to momentum and time according to the following formula:

Force = Change in momentum / time

With the above formula, we can calculate the force the white car experience during the collision. This can be obtained as illustrated below:

Change in momentum = 105000 kg.m/s

Time = 5s

Force =?

Force = Change in momentum / time

Force = 105000 / 5

Force = 21000 N

Thus, the white car experience a force of 21000 N during the collision.

Susie Small finds she weighs 300 N.
Calculate her mass.

Answers

Answer:

30Kg

Explanation:

Weight = mass x gravitational field strength

300 = mass x 10

mass = 30kg

gravitational field strength is 9.8 on earth but normally we take it to be 10 for easy reference and calculations

The mass will be "30 kg". A further solution is provided below.

According to the question,

Weight,

300 N

We know that,

Gravitational field strength,

10

The mass will be:

→ [tex]Weight = Mass\times Gravitational \ field \ strength[/tex]

or,

→ [tex]Mass = \frac{Weight}{Gravitational \ field \ strength}[/tex]

By putting the values, we get

→           [tex]= \frac{300}{10}[/tex]    

→           [tex]= 30 \ kg[/tex]

Thus the above solution is right.

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In a container of negligible mass, 0.0400 kg of steam at 100∘C100 ∘ C and atmospheric pressure is added to 0.200 kg of water at 50.0∘C50.0 ∘ C.
(a) If no heat is lost to the surroundings, what is the final temperature of the system?
(b) At the final temperature, how many kilograms are there of steam and how many of liquid water?

Answers

A - 100 C°
B - 0.0214 kg and 0.219 kg

Hope this helped out! Have a nice day :)

If no heat is lost to the surroundings, the final temperature of the system is 100 C°,  At the final temperature, 0.0214 kg and 0.219 kg kilograms are there of steam and how many of liquid water

What is heat ?

heat can be defined as the form of energy that is spontaneously transferred from one object to another object as the differences in temperatures is otherwise called as heat transfer.

The Heat transfer occurs  upto the  equilibrium point of an object has been reached.

Internal Energy is the total amount of energy of all the molecules of a body is the internal energy within the object.

Specific Heat or heat capacity, is   the amount of energy required to produce a unit change in its temperature.

For more details  heat,  visit

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Use the following v-t graph to answer the next questions
5
B
Velocity )
neters/second(s)
4
A
3
2
1
Time (1)
0
1
2
3
4
5
2
8
10
11
12
13
1015
16
second(s)
.1
D
-2
C С
3
5

Answers

Answer:

mag aral ka bubu

Explanation:

ang tanga mu hahahahhaha luko nandyan lang naman yan hahahhahahahahahahhahahahahahahahhahahahahahaahahahahahahahhahahahahahahahahahahahahaahhahahaahahhaahha09561782

Jacob is riding his bike down a tall hill. At the top of the hill, he has 2800J of potential energy. At the bottom of the hill, when he is going the fastest, his kinetic energy measures 2650J. Which statement below is true? Question 5 options: The total amount of energy at the bottom of the hill cannot equal the amount at the top, because some of the energy is gained. The total amount of energy at the bottom is equal to the amount at the top, but some energy was converted into other forms due to friction. The total amount of energy at the bottom of the hill cannot equal the amount at the top, because some of the energy is destroyed. The total amount of energy at the bottom is equal to the amount at the top, but he gained some energy as he traveled due to a higher speed.

Answers

Answer:

D. The total amount of energy at the bottom is equal to the amount at the top, but he gained some energy as he traveled due to a higher speed.

Explanation:

The total amount of energy at the bottom is equal to the amount at the top, but some energy was converted into other forms due to friction.

Therefore the correct answer is option B.

What is mechanical energy?

The sum of all the energy in motion (total kinetic energy) and all the energy that is stored in the system (total potential energy) is known as mechanical energy.

The expression for total mechanical energy can be given as follows

ME= PE + KE

As given in the problem Jacob is riding his bike down a tall hill. At the top of the hill, he has 2800J of potential energy. At the bottom of the hill, when he is going the fastest, his kinetic energy measures 2650J.

However, some energy was changed into other forms owing to friction, so the total quantity of energy at the bottom is equal to the whole amount at the top.

Thus, option B is the appropriate response,

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PLEASE HELP ASAP
describe how the equations for gravitational force and electrostatic force are similar

Answers

they are both forces ?

plz help i really need this

Answers

Answer:

The reactivity of metals increases as you move left in a period and as you move down in a group, so Marie needs to know the period and group of the element inside each box. Boxes that show locations in groups 1 or 2 or in period 8 contain the most reactive elements.

Explanation:

Answer:

The Group Number of the elements.

Explanation:

If Marie knew the group number of the elements, then she could determine the amount of valence electrons each element has and their reactivity rate. For example, if one box tells her that an element is located in group 18, then she could determine that the element is not very reactive. This is because elements in group 18 have 8 valence electrons, which makes them stable/unreactive.

Hope this helps!

A complex arrangement of pulleys forms what is called the block in a block and tackle. The rope used to lift the pulleys and the load is the tackle. A block and tackle is used to lift a truck engine, which has a weight and output force of nearly 8000 N. The input force required to lift this weight using the block and tackle is 400N. What is the mechanical advantage of the block and tackle?

Answers

Answer:

Mechanical advantage = 20

Explanation:

Given:

Output force = 8,000 N

Input force = 400 N

Find:

Mechanical advantage

Computation:

Mechanical advantage = Output force / Input force

Mechanical advantage = 8,000 / 400

Mechanical advantage = 20

A bulldozer pushes on a boulder with a force of 600 N. It accelerates at 3 m/s. Find mass.​

Answers

Answer:

Formula for mass: m=f/a

m=600/3

The mass is 200.

Explanation:

Hope this helps!

Any one please give me the correct answer of this question???
I hope you can help me...

Answers

Answer:

no one ever amswers my questions

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