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Question 1 of 15
1. Question
Q9. In this figure if the simple pendulum moved from A to B, then the
potential energy
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Question 2 of 15
2. Question
Q10.The sum of the kinetic energy and the potential energy is called…
CorrectIncorrect -
Question 3 of 15
3. Question
Q11.Mechanical energy…
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Question 4 of 15
4. Question
Q13.The work done divided by the time it took is
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Question 5 of 15
5. Question
Q14. What is the power with a work of 450J during time 5 S?
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Question 6 of 15
6. Question
Q15.The unit of power (watt) means
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Question 7 of 15
7. Question
Q12.A body with a kinetic energy of 5J and potential energy of 15J its
mechanical energy equals …CorrectIncorrect -
Question 8 of 15
8. Question
Q7.What is the energy needed to raise a ball with a mass 4kg from the
ground with a height of 5m above the earth surface? Use g=10m/s2CorrectIncorrect -
Question 9 of 15
9. Question
Q1.The stored energy is called ?
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Question 10 of 15
10. Question
Q2.The kinetic energy of a body is
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Question 11 of 15
11. Question
Q3.A body with mass of 4kg and a speed of 1m/s, what is its kinetic energy
in J?CorrectIncorrect -
Question 12 of 15
12. Question
Q4.A body with a kinetic energy of 100 J and a speed of 5m/s then its mass
in kg is..CorrectIncorrect -
Question 13 of 15
13. Question
Q5.simple pendulum with a mass of 5kg and an energy of 10J at the
maximum height what is the simple pendulum maximum speed during
its swing?CorrectIncorrect -
Question 14 of 15
14. Question
Q6.The kinetic energy of two bodies became equal, and the mass of the
second body is double the mass of the first body, if the speed of the first
is (v) then what is the speed of the second?CorrectIncorrect -
Question 15 of 15
15. Question
Q8.What is the mass in a body that is placed on the top of building with
a height of 10m knowing that the potential energy of the body is 196J?
g(=9.8m/s2)CorrectIncorrect
