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A mass m=20 g has a charge q= 3.0 mC. It...

A mass `m=20 g` has a charge `q= 3.0 mC`. It moves with a velocity of 20 m/s and enters a region of electric field of 80 N/C in the same direction as the velocity of the mass. The velocity of the mass after 3 s in this region is

A

80 m/s

B

56 m/s

C

44 m/s

D

40 m/s

Text Solution

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The correct Answer is:
B
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DC PANDEY-ELECTROSTATIC POTENTIAL AND CAPACITORS-(A) Chapter exercises
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