A 40-kg projectile leaves a 2000-kg launcher with a speed
A 40-kg projectile leaves a 2000-kg launcher with a speed of400 m/s. What is the recoil speed of the launcher?
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a source emits sound wavesof frequency 200 hz which move through still air at 340 ms thesource moves with a speed of 80
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a 40-kg projectile leaves a 2000-kg launcher with a speed of400 ms what is the recoil speed of the
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an ice cube is placed in a microwave oven suppose the ovendelivers 97 w of power to the ice cubeand that it takes 32170
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