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Author Question: A U-238 nucleus (mass = 238 units) decays, transforming into an alpha particle (mass = 4.00 units) ... (Read 119 times)

rayancarla1

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on: Jul 28, 2018
A U-238 nucleus (mass = 238 units) decays, transforming into an alpha particle (mass = 4.00 units) and a residual thorium nucleus (mass = 234 units). If the uranium nucleus was at rest, and the alpha particle has a speed of 1.50  107 m/s, determine the recoil speed of the thorium nucleus.

Question 2

A pitcher claims he can throw a baseball with as much momentum as a 3.00-g bullet moving with a speed of 1500 m/s. A baseball has a mass of 0.145 kg. What must be its speed if the pitcher's claim is valid?


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ricroger

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

2.56  105 m/s

Answer to Question 2

31.0 m/s


rayancarla1

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

yeungji

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Reply 3 on: Yesterday
Wow, this really help

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