What are the different types of energy stores and what they do?

Answers

Answer 1

Answer: Kinetic Energy is found in movement.
Potential Energy is any type of stored energy. It can be chemical, nuclear, gravitational, or mechanical.

Answer 2

Answer:

Answer:

Stores of energy

kinetic energy.

internal energy.

elastic potential energy.

gravitational potential energy.

electrical energy.

magnetic energy.

Explanation:

sana nakatulong)):

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What is the magnitude of g at a height above Earth’s surface where free- fall acceleration equals 6.5 m/s2 ?

Answers

Well, the "magnitude of g" in a place is always described as the
free-fall acceleration there. So your ' 6.5 m/s² ' is the answer to
the question.

a 42.3 kg girl and a 7.93 kg sled are on the surface of a frozen lake, 15.0m apart and linked by a rope, but not moving yet. then the girl pulls on the rope, exerting a 5.76 N force on the sled, pulling it toward her. how far from the girl's original position do they meet?

Answers

Answer:

they meet from the girl's original position at: 2.37 (meters)

Explanation:

We need to use the Newton's law, exactly the second law that relate force, mass and acceleration as: $F=m*a$ with this we can get both accelerations; solving for acceleration $a=(F)/(m)$ . Now $a_(girl)=(5.76)/(42.3)=0.14 (m/s^(2))$ and $a_(sled)=(5.76)/(7.93)=0.73(m/s^(2))$ . Then knowing that they both travel at the same time and assuming that the distance among the girl and the sled is: 15.0-x, so, $x=(1)/(2)*a_(girl)*t^(2)$ and $15.0-x=(1)/(2)*a_(sled)*t^(2)$ , solving for the time we get: $t=\sqrt{(2x)/(a_(girl) ) }$ and $t=\sqrt{(2*(15.0-x))/(a_(sled) ) }$ with this equations we solving for the x that is the distance between the girl and the sled after the apply the force and we get: $\sqrt{(2x)/(a_(girl))} = \sqrt{(2*(15.0-x))/(a_(sled) )$ . Finally we get: $(x)/(a_(girl) )=((15.0-x))/(a_(sled) )$ and replacing the values we have got: $(x)/(0.14) =((15.0-x))/(0.73)$ so $5.33*x=15-x$ so x=2.37 (meters).

If you can throw a ball at 20m/s what is the maximum distance you can throw it?

Answers

it depends on how long the ball stays in the air
1 s=20m
10 s=200m

Final answer:

The maximum distance that a ball can be thrown at a speed of 20 m/s depends on the angle at which the ball is thrown. In ideal conditions and at a 45-degree angle, the theoretical maximum distance is approximately 40.57 meters.

Explanation:

The question is asking about the maximum distance you can throw a ball given an initial speed, which is a topic in Physics known as projectile motion. In an ideal condition, where air resistance is ignored, the maximum distance a projectile can travel is achieved when it is launched at an angle of 45 degrees.

However, we are missing a piece of information in this situation, which is the launch angle. Without knowing the angle at which the ball is thrown, we cannot accurately calculate the maximum distance. Theoretically, if the ball is thrown at an angle of 45 degrees, the distance (d) can be obtained using the formula for the range of a projectile: d = (v^2)/g, where v is the initial speed and g is the acceleration due to gravity. Substituting the value, d = (20^2)/9.81 = 40.57 meters. But this is an estimation and the value could change according to the actual circumstances when the ball is thrown.

Learn more about Projectile Motion here:

brainly.com/question/20627626

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Part 1. A girl leaves a history classroom and walks 10 meters north to a drinking fountain. Then she turns and walks 30 meters south to an art classroom. What is the girl's total distance traveled? Part 2. Using the information above from Part 1. What is the girl's total displacement from the history classroom to the art classroom?

Answers

The total distance traveled by the girl will be 40 meters and the displacement will be 30 meters.

What will be the distance and displacement of the girl?

Distance = total amount of path followed by any body called distance.

Displacement= The minimum distance between two points irrespective to the path followed by the body is displacement.

It is given that

Distance traveled to north direction = 10 metres

Distance traveled to south direction= 30 metres

So the path followed by the girl in total = North direction + south direction

= 10+30

= 40 meters

And the displacement = min distance between History class and fountain

= 30 meters

total distance traveled by the girl will be 40 meters and the displacement will be 30 meters.

To learn more about Distance and Displacement follow

brainly.com/question/127432

She walks/travels 40 meters. Her displacement is 20 metres because she walked 10m, back those same 10m and the 20m to the art classroom.

If your speed slows down you will have what acceleration?

Answers

if you slow down you have deceleration

when speed slows down you have kinetic energy.

Just as the skydiver steps out of the helicopter Somos what do you start a stopwatch so the time is zero at the skydiver steps out of the plane what is the skydivers dour velocity at the instant just before starting to fall

Answers

The same as that of the aircraft that he /she is in. If flying level, it would be zero.

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