A 3.2 kg cannon ball at rest is fired from a cannon. The cannon ball leaves the cannon with a speed of 6.0 m/s. Determine the force provided by the cannon if it takes 0.55 seconds to launch the cannon ball
0 10,6 N
0 27,8 N
0 34 9 N
0 159 N

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explanation:

it was given as a lesson and guide for prayer.

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