Questions
The momentum of a particle is p = i 2 cos t + j 2 sin t. what is the angle between the force F acting on the particle and the momentum p ?
a
45°
b
90°
c
135°
d
180°
detailed solution
Correct option is B
F=dpdt=−i2sint+j2costcosθ=F⋅pFp=0. Hence θ=90∘Talk to our academic expert!
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