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Author Question: A catapult fires an 800-kg rock with an initial velocity of 100 m/s at a 40 angle to the ground. The ... (Read 131 times)

sdfghj

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on: Aug 1, 2020

Question 1

A car of mass m1 traveling at velocity v passes a car of mass m2 parked at the side of the road. The momentum of the system of two cars is

◦
0.

◦
m1v.

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(m1−m2)v.

◦

◦
(m1 + m2)v.


Question 2

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 horizontal 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.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by sdfghj on Aug 1, 2020

Koolkid240

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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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sdfghj

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Reply 2 on: Aug 1, 2020
Thanks for the timely response, appreciate it

Hdosisshsbshs

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Reply 3 on: Yesterday
Excellent

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