Asked by Me and I
How would i solve this?
A 10.0 kg ball falling at 10.0 m/s hits a pile of feathers and comes to a complete stop in 10 s. What force does the pile of feathers exert to stop the ball?
10 N
20 N
100 N
200 N
A 10.0 kg ball falling at 10.0 m/s hits a pile of feathers and comes to a complete stop in 10 s. What force does the pile of feathers exert to stop the ball?
10 N
20 N
100 N
200 N
Answers
Answered by
Damon
Force * time = impulse = change in momentum
T (10) = 10 * 10
T = 10 N
which by the way is about the weight of the ball on earth. I think it would take longer.
T (10) = 10 * 10
T = 10 N
which by the way is about the weight of the ball on earth. I think it would take longer.
Answered by
Me and I
thank you
Answered by
Damon
You are welcome.
Answered by
Damon
wait a minute, add the weight of the ball!.
10 + 10*9.81 = 108 N
10 + 10*9.81 = 108 N
Answered by
Me and I
oh okay, thanks Damon :)
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