a particles starts from rest moving with constant acceleration if velocity of the particles at t=2 is 10m/s, then acceleration of particle will be
a) 2m/s^2
b) 1m/s^2
c) 5m/s^2
d) 3m/s^2
Answers
Answered by
0
Answer:
Sorry but I wanted 5 points...
Answered by
1
Answer:
correct answer is A.
a=2(t−1)
=2t−2
dt
dv
=2t−2
dv=(2t−2)dt
integrating both side we get,
∫dv=∫(2t−2)dt
v=t
2
−2t+c
=(5)
2
−2×5
=25−10
=15m/s
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