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Energy Test

Last updated almost 5 years ago

8 questions

5

10

10

10

10

10

25

25

Question 1

1.

I understand that this test is due in class today. Any make-ups will be done in tutoring and the version will be different. Just type the word yes.

Question 2

2.

Shawn is doing drills out on the field by pulling a tire behind him for 30 m. If Shawn is applying a net force of 1200 N to pull the tire, then how much work is Shawn doing? Formula Chart

Question 3

3.

If it takes Shawn 80 seconds to complete another drill where he does 26,000 J of work, how much power did Shawn use to do the work? Formula Chart

Question 4

4.

Finn is riding on top of Jake as he rushes to Ice King’s castle to save Princess Bubblegum. If Finn and Jake have a combined mass of 130 kg and are moving with a velocity of 12 m/s, then how much kinetic energy do Finn and Jake have? Formula Chart

Question 5

5.

Humpty Dumpty sits precariously at the edge of the wall. The wall is 50m tall and Humpty has a mass of 250 kg. How much gravitational potential energy does Humpty have? Formula Chart

Question 6

6.

Timmy has 2,940 J of mechanical energy at the top of a diving board. Timmy musters up the courage to jump off the diving board, but unfortunately for him, nails a perfect belly flop. How much mechanical energy does Timmy have when he reaches the water? Formula Chart

Question 7

7.

Jenny is visiting Six Flags in Arlington and is riding the coaster “Mr. Freeze”. Her coaster launches with a top speed of 35 m/s. If the roller coaster has a combined mass of 4500 kg then how high does the coaster reach at the end? Formula Chart

Question 8

8.

Ricky Bobby is racing around the track with a velocity of 120 m/s. He slams on his breaks and comes to a complete stop. If his car and him have a combined mass of 2700 kg, how much work did his brakes do? Formula Chart