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Answer :
Answer:
The power exerted is 3000 Watts, the work done by the force is 9000 Joules, and the power is 3000 Watts.
Explanation:
The work done (W) is given by the formula:
W = Force × Distance × cos
W=Force×Distance×cos(θ)
where:
Force is the force applied (300 N in this case),
Distance is the distance moved (30 m in this case),
θ is the angle between the force and the direction of motion. Since the force is applied horizontally and the mass is moved horizontally,
cos(θ) is 1.
So, in this case:
W = 300 N × 30 m × 1 = 9000 Joules
W=300N×30m×1=9000Joules
The work done by the force is 9000 Joules.
Now, power (P) is given by the formula:
P = W over t
where:
W is the work done (9000 J),
t is the time taken (3 seconds in this case).
P = 9000J over 3s = 3000 Watts
The power exerted is 3000 Watts.
So, the work done by the force is 9000 Joules, and the power is 3000 Watts.
I hope it helps...
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