# Hacktivateed

## Why does the skater eventually stop how do you know that?

In reality, you know that a skater would eventually come to a stop because of the force of friction between the skateboard and the ramp. Friction is a damping force that, in effect, slows things down. As the skateboarder goes down the ramp, potential energy is converted to kinetic energy.

## What energy is gradually increasing and eventually causes the skater to slowly come to a stop?

The skater will not roll back and forth forever. He will eventually come to a stop. There will be thermal energy which keeps increasing.

When you move your hand or foot your body has converted potential energy into _ energy?

Ifc Test Review

Term Definition
According to the law of conservation of energy, energy can change ________________________ but it can not be created or destroyed under ordinary conditions Form
When you move your hand or foot, your body has converted potential energy into Kinetic Energy

What vehicle would have the most kinetic energy?

Which vehicle has the greatest kinetic energy? The motorcycle has the most kinetic energy because it is the vehicle with the least mass. All of the vehicles have the same kinetic energy because they are moving at the same speed.

### What kind of energy does a skater have at the bottom of a ramp?

As the skateboarder goes down the ramp, potential energy is converted to kinetic energy. Because of friction, some of the energy in the system is converted to heat energy. Once the kinetic energy is converted to heat, the energy cannot be converted back to the potential or kinetic energy in the system.

### What type of energy is lighting a candle?

The heat from the wicks causes the wax to be absorbed in the wicks, which causes it to be burnt to produce heat energy as well as light energy. The energy changes from chemical to heat and light. The candle produces heat and light when it burns.

What kind of energy does a skater have that causes him to permanently slow down?

The skateboarder has all gravitational potential energy.

What kind of energy does a skater have that stays the same the whole time?

Every time the skater bounces from the impact, thermal energy is gained, and both potential and kinetic energy are lost. When the skater is dropped onto the ramp from above, the total energy remains the same from beginning to end.

#### Does lowering an object decreases its potential energy?

T/F – Lowering an object decreases its potential energy. False – The sum of potential and kinetic energy in a system is called the [mechanical] energy. T/F – As an object falls its potential energy is lost to the air around it. False – As an object falls its [kinetic] energy is lost to the air around it.

#### Which ball in Figure 4 1 has the least potential energy?

3. Which ball in Figure 4-1 has the least potential energy? Car the will have the least.

Which has more kinetic energy a car or a truck?

Answer: Car and truck have the same K.E. the value of displacement or distance travelled,sis same for both truck and car as they are moving with the same K.E. .Also they are brought to rest by the application of brakes which provides equal retarding forces .

Does a car have more kinetic energy than a truck?

All moving objects have kinetic energy. Objects with kinetic energy can do work. The red car has more kinetic energy than the green car because the red car is moving faster. But the truck has more kinetic energy than the red car because the truck is more massive.

## Why do people fall out of roller coasters?

Gravity is counteracted by centripetal force, due to acceleration, which is the force that pushes you into your seat. Roller coaster, Seaside Heights, New Jersey. John Margolies, photographer, 1978. Prints & Photographs Division, Library of Congress.

With practice you’ll be rollerblading in no time. Whether for fitness or fun, rollerblading has serious benefits. You’ll get a higher heart rate for cardio activity, spend time outside, and may just find a new hobby. Of course, there aren’t training wheels for rollerblades.

What are the benefits of rollerblading for fitness?

Whether for fitness or fun, rollerblading has serious benefits. You’ll get a higher heart rate for cardio activity, spend time outside, and may just find a new hobby.

Why do people hang upside down on roller coasters?

Have you ever wondered how roller coasters stay on their tracks and why people can hang upside down in them? It’s all a matter of physics: energy, inertia, and gravity. A roller coaster does not have an engine to generate energy. The climb up the first hill is accomplished by a lift or cable that pulls the train up.