A projectile is thrown upward with a velocity $v_0$ at an angle $\alpha$ to the horizontal. The change in velocity of the projectile when it strikes the same horizontal plane is
A projectile is thrown upward with a velocity $v_0$ at an angle $\alpha$ to the horizontal. The change in velocity of the projectile when it strikes the same horizontal plane is
- A
$v_0 \sin \alpha$ vertically downwards
- B
$2 v_0 \sin \alpha$ vertically downwards
- C
$2 v_0 \sin \alpha$ vertically upwards
- D
zero
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