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Author Question: A pitcher claims he can throw a baseball with as much momentum as a 3.00-g bullet moving with a ... (Read 79 times)

olgavictoria

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on: Jul 28, 2018
A pitcher claims he can throw a baseball with as much momentum as a 3.00-g bullet moving with a speed of 1 500 m/s. A baseball has a mass of 0.145 kg. What must be its speed if the pitcher's claim is valid?

Question 2

When the rate of burn and the exhaust velocity are constant, a rocket ascends with
 a. decreasing acceleration.
  b. decreasing velocity.
  c. constant velocity.
  d. constant acceleration.
  e. increasing acceleration.


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janeli1

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

31.0 m/s

Answer to Question 2

E


olgavictoria

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Reply 2 on: Jul 28, 2018
:D TYSM

aliotak

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Reply 3 on: Yesterday
Gracias!

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