A rocket of mass 500kg

  1. 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. JC asked by JC
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  2. 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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  3. 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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  4. 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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  5. 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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  6. 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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  7. 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. mushroom 🍄 asked by mushroom 🍄
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  8. 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. ski asked by ski
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  9. 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. ak555383 asked by ak555383
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  10. 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. Hello asked by Hello
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