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Physics, 21.06.2019 23:30
Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle
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Abanked road comer of radius 146 m is to be constructed. if the comer is designed for vehicles moving with a speed of 20.0 m/s, what should the banking angle be, in units of degrees?
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Physics, 22.06.2019 07:30
Which of the following is an example of motion in two dimensions?
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Physics, 22.06.2019 11:00
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
1.Which term describes the sum of the number of protons and neutrons in an atom?...
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