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Name three different units of energy used to measure heat and describe what type of situations each is usually used.
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A15,000 kg rocket traveling at +230 m/s turns on its engines. over a 6.0 s period it burns 1,000 kg of fuel. an observer on the ground measures the velocity of the expelled gases to be โ1,200 m/s.
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Tara goes on a camel safari in africa. she travels 5 km north, then 3 km east and then 1 km north again. what distance did she cover? what was her displacement?
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A0.5kg baseball experiences a 10n force for a duration of 0.1s. what is the change in velocity of the baseball
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B. a hydraulic jack has a ram of 20 cm diameter and a plunger of 3 cm diameter. it is used for lifti...
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