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A rocket of mass 500kg

Sorry for posting so many, but I just need to make sure I'm on the right track.Just need someone to check my working and
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2. asked by JC
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Which object has the greatest kinetic energy?A. A blue car with a mass of 500kg moving at 30 m/s B. A green car with a mass of
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a mass of gas emitted from the rear of toy rocket is initially 0.2kg/s. if the speed of the gas relative to the rocket is 40m/s
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2. asked by onda
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as a rocket carrying a space probe acceleraes away from earth the fuel is being used up and the rocket's mass becomes less when
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2. asked by mat
3. 1,149 views
A small weather rocket weighs 20 N. (a) What is the rocket's mass? (b) The rocket fires its engine, if the rocket has a thrust
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Which object has the greatest kinetic energy?(1 point) Responses a green car with a mass of 500kg moving at 21 m/s a green car
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Which object has the greatest kinetic energy?(1 point)Responses a red car mass of 500 kg moving at 3 m/s a red car mass of 500
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2. asked by mushroom 🍄
3. 92 views
Which object has the greatest kinetic energy?(1 point)Responses a green car with a mass of 500kg moving at 21 m/s a green car
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2. asked by ski
3. 66 views
Which object has the greatest kinetic energy?(1 point)Responses a green car with a mass of 500kg moving at 21 m/s a green car
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2. asked by ak555383
3. 94 views
Which object has the greatest kinetic energy?(1 point)Responses a red car mass of 500 kg moving at 3 m/s a red car mass of 500
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2. asked by Hello
3. 70 views