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Author Question: A cannon of mass 1500 kg fires a 10-kg shell with a velocity of 200 m/s at an angle of 30 above the ... (Read 532 times)

Wadzanai

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on: Jul 28, 2018
A cannon of mass 1500 kg fires a 10-kg shell with a velocity of 200 m/s at an angle of 30 above the horizontal. Find the recoil velocity of the cannon across the level ground.
 a. 1.15 m/s
  c. 2.41 m/s
  b. 0.94 m/s
  d. 1.94 m/s

Question 2

An electron (charge -1.6  10-19 C) moves on a path perpendicular to the direction of a uniform electric field of strength 3.0 N/C. How much work is done on the electron as it moves 20 cm?
 a. 1.6  10-20 J
  c. 4.8  10-20 J
  b. -4.8  10-20 J
  d. zero


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sailorcrescent

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

D


Wadzanai

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

mcabuhat

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Reply 3 on: Yesterday
Wow, this really help

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