SCIENCE 8- QUIZ (PE and KE)

SCIENCE 8: QUIZ

(PE AND KE)

​Things to remember in solving PE and KE

​

• Use GRESA in Solving each problem.

• ALWAYS include the unit

• NO BORROWING OF CALCULATOR.

• If answers have decimal numbers, round it off to the nearest tenths. (Ex: 12.3950... final answer would be 12.40)​

PROBLEM #1 ​

​What is the KE of the jogger with a mass of 65.0kg travelling at a speed of 2.5 m/s.

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PROBLEM #2

​What is the mass of a baseball that has a kinetic energy of 100 J and is travelling at 5m/s?

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PROBLEM #3

​The newly developed F22-Raptor Jet Fighter weighs approximately 100,000 kg and can travel up to 600 meter per second. What is the KE of the F22-Raptor Jet Fighter at this speed?

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PROBLEM #4

If the Jet fighter in problem #3 is travelling at a height of 10, 000 meters, what would the potential energy be?

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