Answer:
acceleration = 0.013 m/s²
Explanation:
formula for acceleration is
a = (v-u) / t
a= (0.7-0.3) / 30
= 0.013
The acceleration of a turtle going from 0.3 m/s to 0.7 m/s in 30 seconds is 0.0133m/s²
Acceleration is defined as the change in velocity of a body with respect to time. Mathematically:
[tex]a=\frac{v-u}{t}[/tex]
v is the final speed = 0.7m/s
u is the initial speed = 0.3m/s
t is the time taken = 30seconds
Substitute the given values into the formula:
[tex]a=\frac{0.7-0.3}{30}\\a=\frac{0.4}{30}\\a = 0.0133m/s^2[/tex]
Hence the acceleration of a turtle going from 0.3 m/s to 0.7 m/s in 30 seconds is 0.0133m/s²
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what is the economic system in the united states?
A. Capitalist economy
B. Stock Market economy
C. Global economy
D. Communist economy
Answer:
A. Capitalist economy
Explanation:
The United States is a capitalist economy. Hope this helps, thank you !!
What happens to the molecules when the solid changes phase?
they begin to move quickly and can break away from other molecules
Answer:
When solid changes atoms/molecules begin to speed up and move around. Compared to when they are in the solid phase, where they barely move and are slow and are compacted.
A car is travelling to the right with a speed of 40 m/s when the driver slams on the brakes. The car skids for 4 s with constant acceleration before it comes to a stop. What was the rate of the car's acceleration as it skidded to a stop?
Answer:
10m/s^2
Explanation:
Given data
velocity= 40m/s
time= 4 seconds
Acceleration a =????
We know that
a= velocity/time
substitute
a=40/4
a= 10m/s^2
Hence the acceleration will be 10m/s^2
What are the dangers of a hurricane and how do you stay safe during the hurricane
Answer
hdhcu very much xbeyxbuxbduxb shx
A car moving with an initial velocity of 36 m/s slows down at a constant rate of -2.8 m/s^2 . What distance does the car travel after 3 seconds of deceleration? Remember to include units in your answer! *
Answer:
the distance covered by the car is 95.4 m.
Explanation:
Given;
initial velocity of the car, u = 36 m/s
acceleration of the car, a = -2.8 m/s²
time of motion of the car, t = 3 s
The distance covered by the car is calculated as;
s = ut + ¹/₂at²
s = 36(3) + ¹/₂ x (-2.8)(3)²
s = 108 - 12.6
s = 95.4 m
Therefore, the distance covered by the car is 95.4 m.
HELP PLEASE!!!
Gravity helps us watch television, talk on the phone, and use the Intemet.
Explain whether this statement is true or false.
Support your answer with evidence from the text.
Answer:
Technically yes, it does help those objects not to float away, but that is false. gravity is not the factor that lets us watch tv, talk on the phone etc.
Gravity helps us watch television, talk on the phone, and use the Internet. This is true statement.
What is the process of satellite orbiting?The goal of satellites is to achieve balance. They rotate around the globe quickly enough to avoid being entirely drawn down into the planet's center of gravity, yet slowly enough to avoid drifting out into space.
When a satellite is travelling at the right speed, the earth's gravitational attraction is just strong enough to keep it in place. A satellite must move quicker to maintain orbit the nearer it is to the earth's surface. Additionally, satellites' orbits are circular or elliptical due to the continual pull of the curved surface of the planet.
Therefore, gravity plays a crucial role in our daily lives, whether it's keeping us anchored to the planet's surface or keeping the satellites we use to communicate and learn more about our environment in orbit.
Learn more about satellite here:
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my gosh im in fifth grade and need an answer stat dude what causes lightning
A. build up of electrical charges in the clouds
B. flow of electrical charges among clouds
C. light energy created in the clouds
D. reflection of light in the clouds
Answer:
it's either A or B because lighting is an electrical discharge caused by imbalance between storm clouds and the ground
Explanation:
pretty sure it's A though
What equations would you use to find force?
Answer:
F = m x a
Explanation:
F = force
m = mass of an object
a = acceleration
What is the atomic mass of fluorine rounded to the nearest whole number?
Answer:
195
Explanation:
what's electron affinity? and what is the formula of electric current?
Answer:
Electron affinity is the energy change that results from adding an electron to a gaseous atom. For example, when a fluorine atom in the gaseous state gains an electron to form F⁻(g), the associated energy change is -328 kJ/mol.
Give brainliest please.
Answer:
Electron affinity is the energy change that results from adding an electron to a gaseous atom.
Sorry I don't know about the second one.
8. What is the length of the diagonal of a 10 cm by 15 cm rectangle?
Answer:
18.03
Explanation:
You use Pythagoras theorem to work out the diagonal
Hope this helps :)
The force of the pulley is 652 newtons. It accelerates at 53 m/s. How much does the object weigh. a 1230 grams b 1.230 gram c 123.0 grams d 12.30 Grams
Answer:
d. 12.30 grams
Explanation:
Given the following data;
Force = 652 N
Acceleration = 53 m/s²
To find how much the object weigh, we would need to determine its mass;
Force = mass * acceleration
652 = mass * 53
Mass = 652/53
Mass = 12.30 grams.
Therefore, the object weighs 12.30 grams.
what percentage of americans get no exercise in a day
Answer:
95%
Explanation:
Answer:
0%
Explanation:
im not sure kasi i dont understand the question.....
If
you lift a 5 Kg bowling ball with a force of 49 N to a height of 40 m, what is the amount of work done on the
bowling ball to lift it?
Answer:
Workdone = 1960 Joules.
Explanation:
Given the following data;
Mass = 5kg
Force = 49N
Height (distance) = 40m
To find the workdone;
Workdone = force * distance
Substituting into the equation, we have;
Workdone = 49*40
Workdone = 1960 Joules.
Therefore, the amount of work done on the bowling ball to lift it is 1960 Joules.
What moon phase is shown in the picture ?
the answer is waxing gibbous moon
Explanation:
.
why would you want to know the speed of an object
Answer:
Because when something is moving such as a car if your going too fast there could be a crash or collision.
Explanation:
Help please
Which occurrence would lead you to conclude that lights are connected in a
combined circuit?
A. When one bulb burns out all the lights go out.
B. When one bulb burns out, a circuit breaker is tripped.
C. When one bulb burns out a small section of lights goes out.
D. When one bulb burns out all the other lights stay lit.
Answer:
D
Explanation:
as one burns then all stop simple
please mark me as brainlist
Increasing an object's height also results in an increase of the object's
Of the following reactions, which is a fusion reaction?
a.
uranium-235 absorbing a neutron and splitting into xenon-140, strontium-94, and two neutrons
b.
hydrochloric acid combining with sodium hydroxide to form a salt and water
c.
carbon-14 decaying into nitrogen-14 and a beta particle
d.
curium-246 combining with carbon-12 to form nobelium-254 and four neutrons
Answer:
Option D is correct.
Explanation:
It is fusion reaction.because curium combines with carbon to form a big nuclei of nobelium.[tex]Cm_{246} +C_{12}[/tex] → [tex]No_{254}[/tex]
Hence, it is the fusion reaction.
What is fusion?When two or more nuclei fuse together to form a heavy nucleus with the energy released, is called fusion.
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What is the relationship between the mass of the objects and the force exerted?
Answer:
Objects with mass exert forces on each other via the force of gravity. This force is proportional to the mass of the two interacting objects, and is inversely proportional to the square of the distance between them. The factors G, M, and r are the same for all masses at the surface of the Earth.
the law of inertia states that an object in motion will stay in motion, and an object at rest will stay in rest unless acted upon by an unbalanced force which law of motion is this describing
Answer:
newton's first law of motion
Explanation:
this is because newton's first law of motion states that every object will continue in its state of rest or uniform motion in a straight line unless a resultant force acts on it so...
isn't this similar to the law of inertia?
yes it is
hope this helps
6. Dentists use a soft, clay-like material to make a filling for a cavity. The filling stays soft under the
light of the dentist's lamp, but it hardens when the dentist shines an ultraviolet flashlight on it. Why
does light from the ultraviolet flashlight harden the filling when light from the lamp does not?
Because ultraviolet light may be absorbed by the filler substance, but not by the lamp's light. Because UV light extracts energy from the filler substance while lamp light does not.
What is ultravoilet ray?Ultraviolet Rays in the electromagnetic Spectrum Ultraviolet rays are a kind of electromagnetic radiation that extends from the visible light spectrum to the X-ray area.
Harmful rays have a long-term effect on humans, causing skin and eye problems. It is also a source of Vitamin C.
Because ultraviolet light may be absorbed by the filler substance, but not by the lamp's light. Because UV light extracts energy from the filler substance while lamp light does not,
Hence light from the ultraviolet flashlight harden the filling when light from the lamp does not.
To learn more about the ultravoilet ray refer to thr link;
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what moon phase will occur about 14 days after a first quarter?
Answer:
waxing gibbous is the answer.
A force of 162 N is applied to an object causing it to accelerate at a rate of 3.8 m/s^2. What is its mass?
A. 0.2 kg
B. 616 kg
C. 43 kg
D. 102 kg
Answer:
43 kg
Explanation:
Force (F) = 162 N
acceleration (a) = 3.8 m/s²
mass (m) = ?
We know
F = m * a
162 = m * 3.8
m = 162 / 3.8
m = 43 kg
It's mass is 43 kg.
Hope it will help you :)
A person drops a ball off the top of a 10 story building. What statement below best describes the movement of the ball?
Most helpful Answer~
There are no options~
Anyway If the ball is of bad quality it will get deflated/ or strike out.
' The must reasonable thing that could happen is that the ball will bounce'
*Smile* :)
If 10 crests and 10 troughs pass through a point in 5 seconds. Calculate its time period and frequency?
Answer:
frequency = 5 /s
period = 0.5 s/
Explanation:
number of revolution = 10+10/2 = 20/2 = 10
frequency = n/t = 10/5 = 5 /s
period = t/n = 5/10 = 0.5s
If the force of gravity was suddenly removed between the earth and sun, how would Earth move?
Group of answer choices
The sun would fly off into space.
The Earth would fly off into space in a straight line.
The Earth would fly off into space in a curved path.
The Earth would fall into the sun.
Answer:
the earthe would fly off into space in a straight line
What are the dangers of a thunderstorm and how do you stay safe during the thunderstorm?
Answer:
you get struck by lightning
Explanation:
hide in ur house
A rock is thrown with a force of 500 N and an acceleration is 75 m/s^2. What is its mass?
A. 575 kg
B. 3.8 x 104 kg
C. 0.15 kg
D. 6.7 kg
Answer:
We conclude that the mass of a rock with a force of 500 N and an acceleration of 75 m/s² is 6.7 kg.
Hence, option D is correct.
Explanation:
Given
Force F = 500 NAcceleration a = 75 m/s²To determine
Mass m = ?
Important Tip:
The mass of a rock can be found using the formula F = ma
Using the formula
[tex]F = ma[/tex]
where
F is the force (N) m is the mass (kg) a is the acceleration (m/s²)now substituting F = 500, and a = 75 m/s² in the formula
[tex]F = ma[/tex]
[tex]500 = m(75)[/tex]
switch sides
[tex]m\left(75\right)=500[/tex]
Divide both sides by 75
[tex]\frac{m\cdot \:75}{75}=\frac{500}{75}[/tex]
simplify
[tex]m=\frac{20}{3}[/tex]
[tex]m=6.7[/tex] kg
Therefore, we conclude that the mass of a rock with a force of 500 N and an acceleration of 75 m/s² is 6.7 kg.
Hence, option D is correct.
ill give brainliest,
Nascar fans love race day when they get a chance to pull for their favorite drive. If a driver was able to travel 600 miles in 3 hours, what was his/her average speed?