January 22, 2017

Posts by Acceleration

Total # Posts: 3

an elevator and its load have a total mass of 1000 kg. find the tension in the supporting cable if the elevator originally moving downward at 10m/s is brought to rest with a constant acceleration after moving a distance of 50m?
August 14, 2015

Circular motion
The drawing shows a version of the loop-the-loop trick for a small car. If the car is given an initial speed of 5.0 m/s, what is the largest value that the radius r can have if the car is to remain in contact with the circular track at all times?
October 10, 2011

The power needed to accelerate a projectile from rest to its launch speed v in a time t is 48.0 W. How much power is needed to accelerate the same projectile from rest to a launch speed of 2v in a time of 1/2t
October 10, 2011

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