What is the kinetic energy

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Reference no: EM133635

Question1

A 1200-kg automobile travels at a speed of 12 m/s. 

(a) what is it the kinetic energy?

(b) What is work that would be required to bring it to a stop?

(c) If the force that causes it to stop is a constant 1250 N, how far before it stops? 

 

Question2

 

A 0.500-kg ball is thrown vertically upward with an initial speed of 10.0 m/s. If initial potential energy is taken as zero, find balls-

a) Kinetic energy 1.00 m above initial position

b) potential energy 1.00 m above initial position

c) mechanical energy 1.00 above initial position

Reference no: EM133635

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