Kinetic Energy Quiz-2
5 Questions
| Attempts: 1324
Choose the correct answer from theose given
Questions and Answers
- 1.
The energy of an object resulting from motion is __________ energy.
- A.
Kinetic
- B.
Potential
- C.
Mechanical
- D.
Thermal
Correct Answer
A. Kinetic -
- 2.
The unit for kinetic energy is the ___
- A.
Watt
- B.
Joule
- C.
Newton
- D.
Volt
Correct Answer
B. Joule -
- 3.
Which of the following would produce the greatest increase in the kinetic energy of a moving object?
- A.
Doubling its mass
- B.
Doubling its velocity
- C.
Halving its mass
- D.
Halving its velocity
Correct Answer
B. Doubling its velocity -
- 4.
A rifle can shoot a 4.20-g bullet at a speed of 965 m/s. What is the kinetic energy of the bullet as it leaves the rifle?
- A.
1.96×10^6 J
- B.
2.03 J
- C.
1.96×10^3 J
- D.
2.03×10^3 J
Correct Answer
C. 1.96×10^3 JExplanation
KE = 1/2 mv^2Rate this question:
-
- 5.
A ball traveling at 30 m/s has 900 J of kinetic energy. What is the mass of the ball?
- A.
1kg
- B.
2kg
- C.
9kg
- D.
30kg
Correct Answer
B. 2kgExplanation
KE = 1/2 mv2
900 = 1/2 m x 30^2Rate this question:
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Current Version
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Mar 14, 2018Quiz Edited by
ProProfs Editorial Team -
Feb 15, 2013Quiz Created by
Denise_nambiar21
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