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Hail stone Momentum Problem

  • Thread starter HeyyMarco
  • Start date
  • #1
6
0

Homework Statement


During an autumn storm, a 0.012kg hail stone traveling at 20.0m/s made a 0.20cm deep dent in the hood of Darnell's new car. What average force did the car exert to stop the damaging hail stone?
m= 0.012kg
v= 20m/s
d= .002m


Homework Equations


p=mv
j= f delta t


The Attempt at a Solution



I'm just confused :/
 

Answers and Replies

  • #2
6
0
Never mind, I was able to solve it. :D

.012kg * 1/2(20m/s)^2 / .002m = 1200 N

Too easy :)
 
  • #3
430
2
Hello Marco! What is the relation between average force and change in momentum?
 
  • #4
430
2
That's good!
 

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