A 3250 N car is pushed a distance of 35 m the power was 11375 J, how long did it take?

10.8s

Explanation:

Given parameters:

Force on the car  = 3250N

Distance  = 35m

Power  = 11375W

Unknown:

Time taken = ?

Solution:

To solve this problem;

 Power is the rate at which work is done

         Power =  

  Work done  = force x distance  = 3250 x 35  = 123200J

Now;

          11375  =  

           11375t  = 123200  

                   t  = 10.8s

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hope this !

electrical potential energy =0.072 j

explanation:

electrical potential energy is given by

u= q δv

q= charge=6 c

δv= potential difference and is given by

δv= e d

e= electric field

d= distance=5 mm=0.005 m

δv=2.4 (0.005)=0.012 v

now electric potential energy= u= q δv

u=6 (0.012)

u=0.072 j