1. How will you decrease the kinetic energy of an object moving at a constant speed of 20m/s?
a. decrease it's mass
b. increase its mass
c. decrease its speed
D increase its speed
2. What will happen to the kinetic energy of a moving object if it's speed is doubled?
a. halved
b. stayed the same
c. doubled
d. quadrupled
3. Which has the greatest kinetic energy in the following situations?
a. a 60kg car at rest
b. a 60kg man moving 3m/s
c. a 60kg horse moving 6m/s
d. a 60kg carabao moving 9m/s
4. What are the factors that affect kinetic energy?
I. time
II. mass
III. speed
IV. power
a. I and II
b. II and III
c. III and IV
d. I and IV
5. (please check the picture):>
—kindly answer this please
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Answer:
1 a
2 c
3 c
4 b mass nad speed
5c
Explanation:
hindi ako sigurado pero yung ina alam ko paece sana makatulong