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Q. An airplane is flying horizontally with the speed of 1000 km/h (280 m/s) when an engine falls off. Neglecting air resistance, assume it takes 30 s for the engine to hit the ground.
a)show the altitude of the plane is 4500m.
b)show the horizontal distance that the aircraft engine falls is 8400 m.
c) if the airplane somehow continues to fly as if nothing happend, where is the engine relative to the airplane at the moment the engine hits the ground?
A space traveler weighs 130 pounds on earth. What would the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth.
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An underwater diver sees the sun 58 above horizontal. How high is the sun above horizon to a fisherman in a boat above the diver.
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