Answer:
v = 1.7 m/s
Explanation:
Given that,
Initial velocity of the object, u = 1 m/s
Acceleration of the object, a = 1 m/s²
We need to find the velocity of the object after moving 1 m. Let v be the velocity. Using third equation of kinematics to find it i.e.
[tex]v^2-u^2=2ad\\\\v^2=2ad+u^2\\\\v^2=2(1)(1)+1^2\\\\v=\sqrt3\\\\v=1.7\ m/s[/tex]
So, the final velocity of the object is 1.7 m/s.
which month has an average low of 26 degrees Fahrenheit
Explanation:
February according to the urben dictionary
The number of protons is equal to the atomio mass minus the alomo
number
A True
B. False
a. l1 =20 A and l2 =24 A
B. l1 = 20A and l2 = 12 A
C. l1 = 26 A and l2 = 12 A
D. l1 = 24 A and l2 = 8 A
Answer:
when u find out pls lmk! i have the same question and I've been stuck for a while lol
Question 5
Joan wants to decrease her BMI number. How can she achieve her goal?
A. Joan can lose some weight
B. Joan can stretch and get taller
C. Joan can have her blood pressure checked.
D. Joan can take medication
An object spun around in a circular motion such That’s is frequency is 24Hz . What is the period of its rotation?
Answer:
It would spin ifintely
Explanation:
What kind of model is this?
Probably B. but I’m close to failing if I miss this question
Answer:
i think that it is a computer model
Answer:
The answer is B.
Explanation:
Computer Model
Tonks changes her hair color for a party with a red color rinse. The next day, she washes the color out of her hair and it returns to its original brown color. Has a chemical change occurred? Explain your answer.
Answer: No , a chemical change has not occured as it was easily reversed.
Explanation:
Chemical change is defined as a change in which rearrangement of atoms take place and leads to formation of new substances. It can only be reversed with the help of a chemical reaction.
Physical change is defined as a change which leads to change in shape, size or state of the substance changes. No new substance is formed.It can be easily reversed.
As the hair colour was washed out and returned to its original brown colour, it was a physical change.
Question 4 of 10
Which two options are reasons that electromagnetic waves are effective for
use in communication devices?
A. The entire electromagnetic spectrum can be used.
B. They can travel through matter and through space.
C. Both gamma rays and X-rays can be used.
D. They can carry information for long distances without wires.
They can travel through matter and through space.
What is Electromagnetic waves?Electromagnetic radiation is one of the many ways that energy travels through space. The heat from a burning fire, the light from the sun, the X-rays used by your doctor, as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation.
While these forms of energy might seem quite different from one another, they are related in that they all exhibit wavelike properties.
The electromagnetic spectrum is a taxonomy of electromagnetic waves that groups them according to their varied wavelengths and frequencies.
Therefore, They can travel through matter and through space.
To learn more about Electromagnetic waves, refer to the link:
https://brainly.com/question/18165320
#SPJ5
A nail is inserted in the trunk of a tree at a height of 1 meter from the ground
level. After 3 years, where will the nail be present?
Answer:
15m
Explanation:
Hello! first to solve this problem we must find that so much that the tree grew in the 15 years this is achieved by dividing the height of the tree before and after
the tree grew 10 times its initial length in 15 years, so to find how tall the nail is, we multiply this factor by 1.5m
X=(1.5m)(10)=15m
the nail is 15 meters above ground level
You see a flash of lightning and hear thunder 3 seconds later. If the air temperature is 24°C that day, determine how far away the storm is.
Answer:
Explanation:
speed of sound in 24 degrees celsius
345.48m/s
hence 345.48m/s x 3s = 1036.44m
how do I count the waves?
search it up on yt lol
Explanation:
How did the police catch the Golden State Killer?
Answer:
lhf
Explanation:
.
I don't understand how to do this?
. The average human walks at a speed of 5 km per hour. If your PE teacher asks you to walk for 30 minutes in
gym class, how far would you walk (km)?
Answer: 2.5 km
Explanation:
5/2 = 2.5 km
60/2 = 30 mins
What do the three variables (f,m, a) in the equation mean?
Answer:
f=force m=mass and a=acceleration
Which of the following elements is NOT vital to all living organisms? *
-Selenium
-Oxygen
-Carbon
-Hydrogen
hydrogen
Explanation:
Selenium is an element whose trace amounts are essential for life, as proven in 1979 based on its cumulative function with vitamin E [23]. Increasing deficiency of selenium in different parts of the world leads to the occurrence of many pathological disorders
ignoring friction, what is the mass of an object accelerating at 1.8m/s2 to which an unbalanced force of 42 Newtons has been applied?
Explanation:
Newton's second law:
F = ma
42 N = m (1.8 m/s²)
m = 23 kg
An object accelerating at 1.8 m/s² to which an unbalanced force of 42 Newtons has been applied, mass of object is 23 kg.
What is force?A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.
Given in the question the mass of an object accelerating at 1.8 m/s² to which an unbalanced force of 42 Newtons has been applied is ,
Using Newton's second law force is given as
F = ma
42 N = m (1.8 m/s²)
m = 23 kg
An object accelerating at 1.8 m/s² to which an unbalanced force of 42 Newtons has been applied, mass of object is 23 kg.
To learn more about force refer to the link:
brainly.com/question/13191643
#SPJ2
What is the formation of a shadow?
Answer:
Shadows are formed when an opaque object or material is placed in the path of rays of light. The opaque material does not let the light pass through it. The light rays that go past the edges of the material make an outline for the shadow
Explanation:
500cm3 of water is to be jeated from room temperature 28oc to 100oc in order to prepare ahot cup pf coffee. What os the minimum heat required
Answer:
The minimum heat required is 171626 joules.
Explanation:
By First Law of Thermodynamics, the amount of heat ([tex]Q[/tex]), in joules, is equal to the change in internal energy of water. The minimum heat required is the sensible heat necessary to heat up the water. That is:
[tex]Q = \rho\cdot V \cdot c\cdot \Delta T[/tex] (1)
Where:
[tex]\rho[/tex] - Density of water, in kilograms per cubic meter.
[tex]V[/tex] - Volume of water, in cubic meters.
[tex]c[/tex] - Specific heat of water, in joules per kilogram-degree Celsius.
[tex]\Delta T[/tex] - Change in temperature, in degrees Celsius.
If we know that [tex]\rho = 1000\,\frac{kg}{m^{3}}[/tex], [tex]V = 5\times 10^{-4}\,m^{3}[/tex], [tex]c = 4186\,\frac{J}{kg\cdot ^{\circ}C}[/tex] and [tex]\Delta T = 82\,^{\circ}C[/tex], then the minimum heat required is:
[tex]Q = 171626\,J[/tex]
The minimum heat required is 171626 joules.
The earth gravity field strength in the south pole is less than the north pole. Explain
Answer:
Your weight is the combination of all the large-scale, long-term forces on your body. While the earth's gravity is by far the strongest large-scale force, it is not the only one. What you experience as "something pulling you down" is actually the total of all the forces and not just gravity. The four dominant large-scale,
Explanation:
Answer the question?
What is the initial velocity of a projectile that is launched at a 25o angle and travles 70 km in 25 seconds?
Answer: The initial velocity of the projectile is 3.1 km/s
Explanation:
There is a problem with the question because we do not know in which direction the projectile travels 70 km.
I will assume that the projectile travels 70 km horizontally, as is the usual case.
I will also assume that 25 seconds after the projectile is fired, it hits the ground.
Suppose that the initial velocity of the projectile is V0, and this velocity V0 can be thought as the hypotenuse of a triangle rectangle, then the x-component and the y-component of the velocity will be the catheti of this triangle rectangle, then we can write:
Vy = V0*sin(25°)
Vx = V0*cos(25°).
Now, the vertical problem does not affect the horizontal one, so we can see only the horizontal case.
Here we don't have any force, then there is no acceleration, then the velocity is constant and it is equal to:
v(t) = V0*cos(25°)
For the horizontal position we can integrate over time to get:
p(t) = V0*cos(25°)*t + p0
where p0 is the initial position, and we can assume that it is equal to zero.
Then:
p(t) = V0*cos(25°)*t
Now we know that in t = 25s, the position is 70km
(because the projectile travelled 70km in 25 seconds) then:
p(25s) = 70km = V0*cos(25°)*25s
Now we can solve this for V0.
V0 = 70km/(cos(25°)*25s) = 3.1 km/s
The initial velocity of the projectile is 3.1 km/s
The thing you can get from this is that we can analyze the vertical problem and the horizontal problem separately (for example, here we only solved the horizontal case and we ignored the vertical one).
When a planet orbits the Sun, the
force of gravity pulls the planet
A. inward.
B. outward.
C. forward.
D. backward.
Can anybody helpp????
Answer: white shirt-reflect
top hat- reflect
elepahnt- i think absorb im quite sure
Explanation:
Reflection means that they are thrown back from a surface; absorption means that they are incorporated by a surface and transformed into heat energy. Different surfaces reflect and absorb differently. Different shirts with different colors will absorb light of different wavelength. Black shirt will absorb all colors of light while white shirt will reflect all colors of light. thats why on a hot day you wouldnt want to wear a black t shirt.
What is the weight of a
63.7 kg person?
Answer:
A person that weighs 63.7 kg weighs 63.7 kg
Explanation:
Too complicated to explain.
Answer: 140.4 pounds
Explanation:
why are negative charges more mobile than positive charges?
Answer:
This is because the protons have more mass and are harder to get moving. Although electrons are very small, their negative electrical charges are still quite strong. Remember, the negative charge of an electron is the same as the positive electrical charge of the much larger in size proton.~Tori
Explanation:
The space around a charge or a pole in which a force is experienced is called a:
test charge
domain
force line
field
Answer:
The space around a charge or a pole in which a force is experienced is called a magnetic field. And a cluster of aligned magnetic atoms is a magnetic domain. When the clustered regions are aligned with one another, they form a magnet
Answer all of those questions and you will get the brainiest
Answers:
1) A process that occurs when an object or a particle moves, referred to as kinetic energy
2) A potential energy is a stored amount of energy that changes depending on the relative positions.
3) Potential Energy is the energy stored in an object due to its position. Kinetic Energy is the energy of motion in a moving object.
4)
a) C and B
b) A
c) From B to A or from C to A
d) From A to B or from A to C
[tex]\huge\mathfrak\green{answer}[/tex]
1) Kinetic energy of an object is the measure of the work an object can do by the virtue of its motion.
For Example : A river flowing at a certain speed comprises kinetic energy as water has certain velocity and mass.
2) Potential energy is the energy held by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.
For Example : A child at the top of the slide
3) KINETIC ENERGY
Kinetic energy is the kind of energy present in a body due to the property of its motionIt can be easily transferred from one body to anotherIt is relative with respect to natureFlowing water is one of the examples of kinetic energyPOTENTIAL ENERGY
Potential Energy is the type of energy present in a body due to the property of its stateIt is not transferableIt is non-relative with respect to natureWater present at the top of a hill is an example of potential energy(make sure to draw a table and write them separately)
4)
a) C and B
b) A
c) B to A then C to A
d) A to B then A to C
(mark me brainliest please I need 1 more :))
[tex]\large\sf\green{thank \: you}[/tex]
Suppose you stand on the rim of a space station. If the radius of the station is 12,000
meters, at what tangential speed must the rim of the station move in order for you to have the same weight as on the Earth?
[HINT: F=mv2/r = mg]
Answer:
circle
Explanation:
because Earth is not oblong
⦁ A body has weight 10 N. How much force is required to move it vertically upward with an acceleration of 3 ms-2?
Answer:
Force = 3.06 Newton.
Explanation:
Given the following data;
Weight = 10N
Acceleration = 3m/s²
To find the force required;
First of all, we would determine the mass of the body.
Weight = mass * acceleration due to gravity
We know that acceleration due to gravity is equal to 9.8m/s².
10 = mass * 9.8
Mass = 10/9.8
Mass = 1.02 kg
Now, we can find the force required by using the formula below;
Force = mass * acceleration
Force = 1.02 * 3
Force = 3.06 Newton.