How long must the engine burn in order to reach this speed

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Q. A rocket weight 4.36 x 10 ^4 n has an engine that provides an upward force of 8.90 x 10 ^5 n. it reaches a maximum speed of 860 m/s. how long must the engine burn in order to reach this speed?

Q. What will be the equilibrium temperature when a 259 block of copper at 258 is placed in a 137 aluminum calorimeter cup containing 836 of water at 16.0?

Reference no: EM1358741

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