a hot air balloon is moving upward at a constant speed of 5 m/s when it...
a hot air balloon is moving upward at a constant speed of 5 m/s when it is at height 500 above the ground, a person in the balloon throws a ball with an initial speed of 10 m/s at 30 degree above the horizontal with respect to the balloon. g=10 m/s^2
a) find the speed of ball with respect to ground 2 second before it hits the ground.
b) find the direction of motion of the ball with respect to the ground 2 s before it hits the ground.
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