Engineering
Physics
Rectilinear

Question

In figure shown, the graph shows the variation of a uni-directional force F acting on a body of mass 10 kg (in gravity free space), with time t. The velocity of the body at t = 0 is zero

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Linked Question 1

The power of the force at t = 12 s is

226.7 W

225.0 W

none

217.6 W

Solution
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P = F.V.

Linked Question 2

The change in momentum of the body between the time t = 10 s to 15 s is

125 kg.m/s

none

100 kg.m/s

75 kg.m/s

Solution
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Verified by Zigyan

P = area of F-t curve from z = 10 + 0 + 0t = 5

Linked Question 3

The average acceleration of the body from t = 0 to t = 15 s is

5/6 m/s2

1.25 m/s2

4/7 m/s2

7/6 m/s2

Solution
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Verified by Zigyan

No solution

Linked Question 4

The velocity of the body at t = 30 s is

20 m/s

40 m/s

30 m/s

none

Solution
Verified BY
Verified by Zigyan

F  dt  =  mv
v = 30 m/s