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Tutorial ID | Title | Tutorial | Video Tutorial | Revision Notes | Revision Questions | |
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6.6 | Collision and Impulse. Types of Collision |
1) A 40 g bullet hits a 20 cm thick wooden trunk at 200 m/s. The bullet decelerates due to the friction and leaves the trunk in the opposite side at 100 m/s. Calculate the average force exerted by the bullet in the trunk.
Correct Answer: B
2) A 3 kg object hits a hard surface at 6 m/s and then turns back. The collision lasts for 0.1 s and the force of impact is 360 N. What type of collision is it?
Correct Answer: A
3) A 2 kg object hits a hard surface at 20 m/s due North. The Force vs Time graph for this object is shown in the figure below.
What is the velocity of the object after the collision?Correct Answer: B
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