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A catapult is used to project a stone. Which of the following energy conversions takes place as the stone is released?

A catapult is used to project a stone. Which of the following energy conversions takes place as the stone is released?

by Sunday | Sep 2 | Physics WAEC

A. The kinetic energy of the stone is converted into gravitational potential energy B. The gravitational potential energy of the catapult is converted into kinetic energy of the stone C. The gravitational potential energy is converted into elastic potential energy D....
A catapult is used to project a stone. Which of the following energy conversions takes place as the stone is released?

A body is projected into space with an initial velocity V0 at an angle θ to the horizontal. Which of the following statements is/are correct about its motion?

by Sunday | Sep 2 | Physics WAEC

I. The total time of flight is (V0Cosθ)/g. II. The maximum height is (V0Sin2θ)/2g. III. The range is (V0²Cos²θ)/g. A. I & II only B. I & III only C. II & III only D. II only E. III only Correct Answer: Option D – II...
A catapult is used to project a stone. Which of the following energy conversions takes place as the stone is released?

A ball of mass 0.5kg moving at 10ms−¹ collides with another ball of equal mass at rest. If the two balls move off together after the impact, calculate their common velocity.

by Sunday | Sep 2 | Physics WAEC

A. 0.2ms−¹ B. 0.5ms−¹ C. 5.0ms−¹ D. 10.0ms−¹ E. 20.0ms−¹ Correct Answer: Option C – 5.0ms−¹
A catapult is used to project a stone. Which of the following energy conversions takes place as the stone is released?

When three coplanar and non-parallel forces are in equilibrium; which of the following statements above are correct?

by Sunday | Sep 2 | Physics WAEC

I. they can be represented in magnitude and direction by the three sides of a triangle taken in order. II. their lines of action meet at a point. III. the magnitude of anyone equals the magnitude of the resultant of the other two. IV. any one force is the equilibrant...
A catapult is used to project a stone. Which of the following energy conversions takes place as the stone is released?

A man will exact the greatest pressure on a bench when he?

by Sunday | Sep 2 | Physics WAEC

A. lies flat on his back B. lies flat on his belly C. stand on both feet D. stand on one foot only E. stand on toes of one foot Correct Answer: Option E – stand on toes of one foot
A catapult is used to project a stone. Which of the following energy conversions takes place as the stone is released?

The slope of a straight line displacement time graph indicates the?

by Sunday | Sep 2 | Physics WAEC

A. Distance travelled B. Uniform velocity C. Uniform acceleration D. Instantaneous acceleration E. Uniform speed Correct Answer: Option B – Uniform velocity
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