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Author Question: With no air resistance, a projectile fired at 50 has the same range as if it were fired at A) 40. ... (Read 59 times)

AEWBW

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on: Jul 29, 2018
With no air resistance, a projectile fired at 50 has the same range as if it were fired at
 
  A) 40.
  B) 45.
  C) 55.
  D) 60.

Question 2

A string is wrapped around a pulley with a radius of 2.0 cm and no appreciable friction in its axle. The pulley is initially not turning.
 
  A constant force of 50 N is applied to the string, which does not slip, causing the pulley to rotate and the string to unwind. If the string unwinds 1.2 m in 4.9 s, what is the moment of inertia of the pulley? A) 0.17 kgm2
  B) 17 kgm2
  C) 14 kgm2
  D) 0.20 kgm2
  E) 0.017 kgm2


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Liddy

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Reply #1 on: Jul 29, 2018
Answer to Question 1



Answer to Question 2

D


AEWBW

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Reply 2 on: Jul 29, 2018
Excellent

shewald78

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Reply 3 on: Yesterday
Gracias!

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