(a) Explain the term uniform acceleration (b)(i) Sketch and describe the velocity-time graph for the motion of a ball from the time it is projected vertically upwards until it returns to the point of projection. (ii) Neglecting air resistance and using ycur sketch, explain how the acceleration of free fall due to gravity g, and the maximum height attained when the ball is projected vertically upwards can be determined. (c) A stone is projected vertically upwards with a velocity of 20ms\(^{-1}\). Two seconds later, a second stone is similarly projected with the same velocity. When the two stones meet, the second one is rising at a velocity of 10ms\(^{-1}\). Neglecting air resistance, calculate the: (i) length of time the second stone is in motion before they meet, (ii) velocity of the first stone when they meet (Take g as 10ms\(^{-2}\))

1998 WAEC SSCE Physics Past Questions

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1998

(a) Explain the term uniform acceleration(b)(i) Sketch and describe the velocity-time graph for the motion of a ball from the time it is projected vertically upwards until it returns to the point of projection.(ii) Negle…

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