lorerodriguez1307 lorerodriguez1307

05-03-2021
Physics

contestada

A 24 kg object, initially moving at 20 m/s, is slowed by an applied force of 20 N to a final velocity of 16 m/s. How much time did this take?

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XxxkIngxxXx XxxkIngxxXx

15-03-2021

Answer:

Explanation:

Turtle ba lls

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trainboxcar20 trainboxcar20

19-03-2021

Answer:

4.8 seconds

Explanation:

Ft=change in momentum

Initial momentum=mv=24*20=480 kg*m/s

new momentum=mv=24*16=384 kg*m/s

change in momentum=96 kg*m/s

Ft=change in momentum

20(t)=96

t=4.8 seconds!

Answer Link

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