The velocity of a body starting from rest is20m/s in the 4th second and 40m/s in the 8th second. What is the distance traveled by the body between 4th and 8th second?
Answers
Answered by
3
Explanation:
Velocity at the 4
th
second u=20m/s
Velocity at the 8
th
second v=40m/s
Acceleration a=
t
v−u
=
4
40−20
=
4
20
=5m/s
2
Distance travelled s=ut+1/2at
2
=20×4+1/2×5×4
2
=80+40
=120m
Answered by
1
The velocity of a body starting from rest is20m/s in the 4th second and 40m/s in the 8th second. What is the distance traveled by the body between 4th and 8th second?
Explanation:
The velocity of a body starting from rest is20m/s in the 4th second and 40m/s in the 8th second. What is the distance traveled by the body between 4th and 8th second?
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