If force=100N, mass=20kg, final velocity=50m/s, initial velocity=20m/s find time
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Answered by
0
Given,
Force, F = 100 N
Mass of the body, m = 20 kg
Therefore, Acceleration is given by,
Acceleration, a = F/m = 100/20 5m/s^2
Now, Initial velocity, u = 0
Final velocity, v = 100 m/s
Acceleration, a = 5m/s^2
Therefore, Time for which the force is applied,
t = v-u/a = 100 - 0/5
= 20s
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Answered by
1
Answer: 6 sec
Explanation:
F = ma
F= m(v-u) /t
100= 20(50-20) /t
100t= 20×30
100t = 600
t = 6 sec
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