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What does ballast mean

A ballast is dropped from a stationary hotair balloon that is hovering at an altitude of 500 ft. The velocity of the ballast
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2. asked by Debra
3. 2,165 views
15. A hot-air balloon is moving with a velocity of 2.1 m/s [up] when the balloonistdrops a ballast (a large mass used for height
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2. 100 views
A ball is shot out of a spring and into a hollow ballast which then swings upwards 2.5 cm. The ball has a mass of 0.10 kg, the
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2. asked by Whitney
3. 642 views
A hot-air balloon is rising straight up with a speed of 5 m/s. A ballast bag is released from rest relative to the balloon when
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2. asked by Jerry
3. 700 views
A balloon of total mass 840 kg is rising vertically with constant speed. As a result of releasing some ballast, the balloon
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2. asked by Ava
3. 1,102 views
A hot-air balloon is rising straight up with a speed of 5.4 m/s. A ballast bag is released from rest relative to the balloon
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2. asked by Anonymous
3. 514 views
A hot-air balloon is rising straight up with a speed of 6 m/s. A ballast bag is released from rest relative to the balloon at 7
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2. asked by Dee
3. 579 views
A hot-air balloon is rising straight up with a speed of 3.0 m/s. A ballast bag is released from rest relative to the balloon
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2. asked by Mike
3. 1,436 views
Choose the most appropriate word to fill in the blank.In order to make sure the rocket could hit its target with reasonable
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2. 93 views
Ships have ballast tanks that fill with water from surrounding lakes or seas as needed to stabilize the craft. Why might the
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2. asked by hahahaha
3. 92 views