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A spacecraft of mass 2000kg, moves at a constant speed

A spacecraft of mass 2000kg, moves at a constant speed of 7800m.s- in space. the main engine switched on for 10s during which
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2. asked by Kerry
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A satellite is in circular orbit around a planet with a known radius. What information do you need to calculate the speed of the
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A rocket engine on a spacecraft of total mass 10,000kg ejected 1.4kg of hot gases every second at an average discontinuous speed
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2. asked by Anonymous
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Scenario :A truck has a mass of 2000kg and is moving at 50m/s and collides with another truck that has a mass of 2000kg moving
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2. asked by Suzy
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a small spacecraft of mass m is moving in a straight line at a speed of 8.00m/s.It suddenly breaks into pieces .one piece of
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2. asked by john
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Car A has a mass of 1000kg and a speed of 60km/h, and car b has a mass of 2000kg and a speed of 30km/h. what is the ratio of
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2. asked by sam c
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Moving at 20m/s a carr of mass 2000kg applies its brakes and comes to rest over a distance of 10m. Find the size of the net
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2. asked by Jenny
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A spacecraft of mass m1 = 2161 kg with a speed v1i=7.0 ×103 m/s approaches Saturn which is moving in the opposite direction
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2. asked by Anonymous
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A spacecraft of mass m1 = 4673 kg with a speed v1i=5.0 ×103 m/s approaches Saturn which is moving in the opposite direction
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2. asked by Anonymous
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A spring is attached to the ceiling of an elevator and a block of mass M is suspended from the spring. In Case A, the elevator
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2. asked by Anonymous
3. 2,425 views