A charged particle is released from rest in an uniform electric field for 2s its Kinetic Energy is 20 J. If the same charge of particle from state of rest is allowed to accelerate for 3s, its KE will be
a) 45J
b) 90J
c) 60J
d) 30J
Answers
Answered by
0
Answer:
30 j please tell me branilist
Answered by
5
Answer:k directly proportional t²
K'/k=(t'/t)
9/4×20=k'
k'= 45
Explanation:
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