A body of mass 1 kg begins to move under the action of a time dependent force F = (2t î + 3t² ĵ)N, where î and ĵ are unit vectors along x and y axis. What power will be developed by the force at the time t?
A
(2t³ + 3t⁴)W
B
(2t³ + 3t⁵)W
C
(2t⁴ + 3t³)W
D
(2t⁴ + 4t⁴)W

Question

A body of mass 1 kg begins to move under the action of a time dependent force F = (2t î + 3t² ĵ)N, where î and ĵ are unit vectors along x and y axis. What power will be developed by the force at the time t?

A

(2t³ + 3t⁴)W

B

(2t³ + 3t⁵)W

C

(2t⁴ + 3t³)W

D

(2t⁴ + 4t⁴)W

Accepted Answer

(2t³ + 3t⁴)W

Answer

(2t³ + 3t⁵)W

Answer

(2t⁴ + 3t³)W

Answer

(2t⁴ + 4t⁴)W

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