If a car is traveling on the highway at a constant velocity, the force that pushes the car forward must be a. equal to the weight of the car. b. greater than the force of friction exerted upon the car. c. equal to the force of friction exerted upon the car. d. greater than the weight of the car.
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Physics, 22.06.2019 02:00
The motor m applies a time-varying force of f (200 t) n, where t is in seconds. box b with mass 200 kg starts from rest, and the coefficients of kinetic and static friction are 0.2 and us 0.3 the acceleration due to gravity is g 9.8 m/s2 b 300 a) find the time ' when the box starts to move. b) calculate the speed of the crate at 3 s c) calculate the power delivered by the motor at t 3 s
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If a balloon is taken outside on a very cold day, what will occur?
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Physics, 22.06.2019 19:30
A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?
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If a car is traveling on the highway at a constant velocity, the force that pushes the car forward m...
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