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A cat weighing 7 kg chases a mouse at a speed of 4 m/s. What is the kinetic energy of the cat?

A cat weighing 7 kg chases a mouse at a speed of 4 m/s. What is the kinetic energy of the cat?
asked 100k views
4 votes
A cat weighing 7 kg chases a mouse at a speed of 4 m/s. What is the kinetic energy of the cat?

asked
User An Phu
by
7.9k points

1 Answer

4 votes
54J
You calculate kinetic energy by the equation.
KE= 1/2mv^2
m= mass
v= velocity
then we have
KE = 1/2 x 3 x 6^2
KE = 1/2 x 3 x 36 = 54J
answered
User Ponml
by
8.7k points
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