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A 1776 kg car has a speed of 10.3 m/s when it hits a tree. the tree doesn’t move and the car comes to rest. find the change in kinetic energy of the car. answer in units of j.
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A 1776 kg car has a speed of 10.3 m/s when it hits a tree. the tree doesn’t move and the car comes to rest. find the change in kinetic energy of the car. answer in units of j.

User Bentedder
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2 Answers

4 votes
To Calculate the change in kinetic energy based on this formula K.E=1/2mv^2
where m is the mass=1776 kg, and v= the velocity m/s
so, it should =1/2(1776kg)(10.3^2)=94208 j
User Nohus
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9.0k points
1 vote

Answer:

The guy above me is incorrect

Step-by-step explanation:

User Harrakiss
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8.8k points
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