2.7.2 Impulse and Impulsive Force
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Question 1 of 5
1. Question
1 point(s)The impulse exerts on an object can be increased by
CorrectIncorrect -
Question 2 of 5
2. Question
1 point(s)A 5N force is applied on an object for 10s. The object accelerates from 2ms-1 to 5 ms-1. Find the impulse exerts on the object.
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Answer: Ns
Correct / 1 PointsIncorrect / 1 Points -
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Question 3 of 5
3. Question
1 point(s)A billiard ball of mass 0.1 kg is stationary on a smooth billiard table. An impulse of 3.0 Ns is given to the ball horizontally. What is the velocity of the ball after the impact?
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Answer: m/s
Correct / 1 PointsIncorrect / 1 Points -
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Question 4 of 5
4. Question
1 point(s)A car of mass 1500kg was traveling at 50 m/s before it collided with a tree and stopped. If the time of collision was 0.05 seconds, find the impulsive force acted on the car during the accident.
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Answer: kgms⁻²
Correct / 1 PointsIncorrect / 1 Points -
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Question 5 of 5
5. Question
1 point(s)
The graph shows how the force acting on a 5kg object changing with time. What is the impulse given to the object for the first 5 seconds?
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Answer: kgms⁻¹
Correct / 1 PointsIncorrect / 1 Points -