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Author Question: A pendulum consists of a 2.0-kg block hanging on a 1.5-m length string. A 10-g bullet moving with a ... (Read 270 times)

wenmo

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on: Aug 1, 2020

Question 1

A catapult fires an 800-kg rock with an initial velocity of 100 m/s at a 40° angle to the ground. The magnitude of the vertical impulse the catapult receives from the rock is

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5.1 × 104 Ns.

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6.1 × 104 Ns.

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8.0 × 104 Ns.

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5.0 × 105 Ns.

◦
6.0 × 105 Ns.


Question 2

A pendulum consists of a 2.0-kg block hanging on a 1.5-m length string. A 10-g bullet moving with a horizontal velocity of 900 m/s strikes, passes through, and emerges from the block (initially at rest) with a horizontal velocity of 300 m/s. To what maximum height above its initial position will the block swing?

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32 cm

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38 cm

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46 cm

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27 cm

◦
9 cm
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by wenmo on Aug 1, 2020

morrie123456

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Reply #1 on: Aug 1, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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wenmo

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Reply 2 on: Aug 1, 2020
Wow, this really help

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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