Physics, 27.10.2020 18:00 northpolea
If the motorcyclist starts from rest, determine the time needed to reach an acceleration of 5.75ft/s2
Answers: 2
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1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 1
Physics, 22.06.2019 16:40
The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .
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Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.
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Physics, 23.06.2019 01:00
What happens to the vapor pressure of a substance when its surface area is increased at constant temperature?
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If the motorcyclist starts from rest, determine the time needed to reach an acceleration of 5.75ft/s...
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