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Physics, 22.06.2019 00:00
A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocketโs acceleration during the first 16-s? b. what is the rocketโs speed as it passes through a cloud 5100-m above the ground?
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Physics, 22.06.2019 10:00
What is the temperature in degrees celsius of a substance with a tempature of 49k
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What are the north and south poles of a solenoid change with?
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