Physics · Kinematics
A ball of mass 'm' is projected from the origin with a velocity 'u' making an angle θ with the horizontal. At any point (α, β) on the trajectory of the particle, the total mechanical energy of the ball (neglecting air resistance) will be:
- 112 mu2 cos2θ
- 212 mu2✓
- 312 mu2 cos2θ (αβ)
- 412 mu2 sin2θ (αβ)
Correct answer
12 mu2
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