How fast is the cannonball going when it hits balloon

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Reference no: EM138957

Q1. A cannonball shot with the initial velocity of 133 m/s at an angle of 59° follows a parabolic path and hits a balloon at the top of its trajectory. Neglecting air resistance, how fast is the cannonball going when it hits balloon?

Q2. A bird sitting in a tree is travelling at 40 km/s relative to the faraway Sun. When the bird drops to the ground below, does it still go 40 km/s, or does this speed become zero?

Reference no: EM138957

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