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9. State which of the following situations are possible and give an example for each of these:(a) an object with a constant acceleration but with zero velocity(b) an object moving with an acceleration but with uniformspeed.(c) an object moving in a certain direction with anacceleration in the perpendicular direction. |
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Answer» C) EXPLANATION:Because acceleration due to gravity will act in perpendicular direction while object is moving forward.Also A) is not possible as acceleration INVOLVES change in VELOCITY but change in velocity will not take place if velocity is zero.Also B) is not possible as change in velocity will not take place if velocity is CONSTANT |
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