Energy Flashcardziz

Front

When stickman pushes the box up the hill, he is doing ___________ work on the box.

Back

positive

Front

When stickman pushes the box so it slowly slides down the hill, he is doing ___________ work on the box. Options: positive, negative, zero

Back

negative

Front

How to find the initial kinetic energy of a rock launched by a spring to a height H?

Back

Front

The skateboarder is using his kinetic energy to roll up the ramp. If he increases his starting speed, he will go...

Back

higher

Front

The skateboarder is using his kinetic energy to roll up the ramp. If he increases his mass but keeps the same speed, he will go up the ramp...

Back

the same height

Front

A roller coaster has 100,000 J of energy at the top of the first hill. How much work had to be done to get it to the top?

Back

100,000 J

Front

A roller coaster has 100,000 J of energy at the top of the first hill. It took 50 seconds to pull it to the top of the hill. How much power was used to lift the cars up?

Back

Front

Stickman stops a speeding train. He did ________ work on the train.

Back

negative

Front

Stickman helps push a stalled car. He does ______ work on the car.

Back

positive

Front

What type(s) of energy does a car have while driving along the ground?

Back

kinetic energy