PE & KE Review

Front

According to the law of conservation of energy, if a blow dryer produced 30 joules of electrical energy and it was converted to sound and heat, how much of the energy will be permanently lost?

Back

0 Joules

Front

As you go up a hill…

Back

Potential energy increases and kinetic energy decreases

Front

As Ashton crosses the finish line to be the first place winner at the Peachtree Road Race, what type of energy transformation occurred?

Back

kinetic energy transferred to potential energy

Front

Which point represents maximum potential energy? Options: W, X, Y, Z

Back

W

Front

Which point represents maximum kinetic energy? Options: W, X, Y, Z

Back

X

Front

Which point represents minimum potential energy? Options: W, X, Y, Z

Back

X

Front

Which number shows the ball with the least potential energy? Options: 4, 5, 3, 1

Back

3

Front

Which number shows the ball with a little less kinetic energy than 2? Options: 4, 5, 3, 1

Back

1

Front

Explain what happens to the potential and kinetic energy of the cart as it moves from Point P to Point Q. 

Back

Cart begins at point a with 0 kinetic energy and all potential energy, as the car goes down the hill toward point Q, potential energy is transformed into kinetic energy.

Front

What type of energy transformation occurred as the marble rolled from the top of the ramp to the bottom of the ramp?

Back

potential energy transferred to kinetic energy