What value does not directly affect the potential energy of an object
1 point
1
Question 2
2.
What is the power output of a warehouse lifter that raises a 5,381N weight 5.8 meters in 0.7 seconds?
1 point
1
Question 3
3.
A 7.1 kg ball is moving at 4m/s and is increased to 12m/s. What happens to the ball’s energy.
1 point
1
Question 4
4.
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 point
1
Question 5
5.
Increasing the Force increases
1 point
1
Question 6
6.
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 point
1
Question 7
7.
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 point
1
Question 8
8.
How much work is done by a 792N student as she rides a 8,194N bus at a steady 40m/s for 200m?
1 point
1
Question 9
9.
What is the relationship between particle size and velocity when evaluated in the same environment and temperature?
1 point
1
Question 10
10.
What is the potential energy of a 11.4kg disco ball hung 6m above the roller rink floor?
1 point
1
Question 11
11.
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 point
1
Question 12
12.
Heat is not associated with what kind of energy?
1 point
1
Question 13
13.
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 point
1
Question 14
14.
As a gas heats up in a closed container, the movement of the particles-
1 point
1
Question 15
15.
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 point
1
Question 16
16.
Select the location(s) with the most gravitational potential energy.
1 point
1
Question 17
17.
Select the location(s) with the most kinetic energy.
1 point
1
Question 18
18.
Select the location(s) with the most mechanical energy.
1 point
1
Question 19
19.
Select the location(s) with the greatest velocity.
1 point
1
Question 20
20.
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 point
1
Question 21
21.
Select the best example of kinetic energy transformed into potential energy.
1 point
1
Question 22
22.
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 points
3
Question 23
23.
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.