U6&8 Comp. Quiz 22

Last updated almost 3 years ago
23 questions
Note from the author:


1

What value does not directly affect the potential energy of an object

1

What is the power output of a warehouse lifter that raises a 5,381N weight 5.8 meters in 0.7 seconds?

1

A 7.1 kg ball is moving at 4m/s and is increased to 12m/s. What happens to the ball’s energy.

1

Sort these graphs with the corresponding type of energy. The graphs represent the amount of a particular energy over time as a person skis down a hill.

  • Kinetic Energy
  • Gravitational Potential Energy
  • Mechanical Energy
1

Increasing the Force increases

1

What is the velocity of a go cart prior to stopping when the brakes do 3,800 J of work to stop the 713kg go cart?

1

How much work is done when an object is moved 44m in the same direction as the 12N Force that is acted upon it?

1

How much work is done by a 792N student as she rides a 8,194N bus at a steady 40m/s for 200m?

1

What is the relationship between particle size and velocity when evaluated in the same environment and temperature?

1

What is the potential energy of a 11.4kg disco ball hung 6m above the roller rink floor?

1

A spring-loaded Nerf Gun releases 6,000 J of kinetic energy from a 0.16 kg pellet when the spring is compressed .09m. What is the elastic energy stored in the spring?

1

Heat is not associated with what kind of energy?

1

Charlie Brown runs to kick the football Lucy is holding but she moves it at the last second. His foot slides .18 m with a force of 9N. How much heat from friction was produced?

1

As a gas heats up in a closed container, the movement of the particles-

1

As Olaf the snowman dives into a hot spring, the molecular motion of Olaf will ______________ and the molecular motion of the hot spring will __________

1

Select the location(s) with the most gravitational potential energy.

1

Select the location(s) with the most kinetic energy.

1

Select the location(s) with the most mechanical energy.

1

Select the location(s) with the greatest velocity.

1

Lilo, Maui and Moana are all traveling to Oahu from different islands. Lilo takes Stitch’s rocket from Hawaii and gets there in 20 minutes. Maui transforms into a hawk and flies for 40 minutes from Maui. Moana sails across the sea from Kauai, but experiences a difficult wind, finishing her voyage 1 hour later. Which is the most powerful?

1

Select the best example of kinetic energy transformed into potential energy.

1

The following readings were taken at different points on the car’s path below. Use Conservation of Energy to explain if the readings from the roller coaster are accurate.

3

Pascal, the 4 kg chameleon, uses Rapunzel’s hair to swing from the top of a tower. Right above the ground Pascal’s velocity is 15.5 m/s.
a. What is Pascal’s KE at the bottom?
b. What is Pascal’s GPE at the top?
c. What is the height of the tower?