7. A body of 3 kg mass is projected vertically upwards with a speed of 3 m/s. What is the maximum value of the body's kinetic energy?
A. 13.5 joules C. 11 joules B. 9 joules D. 8 joules
8. What is the Kinetic energy possessed by a body with a mass of 10 kg projected vertically upward with a speed of 4 m/s? A. 70 J C. 60 J B. 80 J D. 90 J
9. A 3.5 object is raised up a height of 2m. What is the amount of potential energy possessed by the object?
A. 68.6 J B. 66.8 J C. 69.8 J D. 68.9 J
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