Answer to Question #255600 in Physics for Kie

Question #255600
Determine the impulse exerted in each of the following conditions: A. A dynamics cart experienced a net force of 25 N going [ East] for a time interval of 3.2 seconds B. A force of 120 N hits a baseball by a bat with a time interval of 0.05 seconds. C. A 12 kg rock falling from a cliff for 3.0 seconds.
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Expert's answer
2021-10-26T09:43:16-0400

A. The impulse is


I=Ft=253.2=80 kg-m/s East.I=Ft=25·3.2=80\text{ kg-m/s East}.

B. In this case,


I=Ft=1200.05=6 kg-m/s.I=Ft=120·0.05=6\text{ kg-m/s}.

C. Here:


I=mgt=129.83=353 kg-m/s.I=mgt=12·9.8·3=353\text{ kg-m/s}.


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Comments

Andreylyn
06.05.24, 02:24

I'ts okay

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