The mass of a robot is 34 kg. it is traveling at 2 m/s when it collides with the fence. according to newton's third law, which describes the result? a. the robot exerts a force of 68 n on the fence; the fence absorbs the force. b. the robot exerts a force of 34 n on the fence; the fence moves 2 meters. c. the robot exerts a force of 68 n on the fence; the fence exerts a force of 68 n on the robot. d. the robot exerts a force of 68 n on the fence; the fence exerts a force of 34 n on the robot.

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

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