PLEASE HELP ME ANSWER THESE TWO QUESTIONS.
1) If the coefficient of kinetic friction between the box and the ramp is 0.298, what is the force of friction that opposes Cory and Kathy’s pushing forces?
2) Cory is pushing to the right (up the ramp) with a force of 379 N, and Kathy is pushing to the right with a force of 357 N. What is the magnitude of the acceleration of the box?
Answers: 1
Physics, 21.06.2019 18:00
Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?
Answers: 1
Physics, 22.06.2019 17:50
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PLEASE HELP ME ANSWER THESE TWO QUESTIONS.
1) If the coefficient of kinetic friction between the bo...
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