Need help with GENERAL PHYSICS right now!

Posted on 2014-12-02 13:45:00 in Physics by JACK

1. What is the minimal acceleration an object A should move with in order for a certain object B characterized by mass m and friction constant f not falling down from a vertical plane in front of the object A.

2. What is the maximum velocity of a car with mass m going on a road turn of radius R for it not to departure the road.

3. What initial velocity an object A should have in order for it to climb the top of an inclined plane of length d and angle alfa if the friction constant is equal to f. Find the time of the motion.

4. An object with mass m is being pushed on the horizontal surface by the force F which is not aligned with the horizontal plane but rather has an angle alfa in relation to the plane. An object has been moved by a distance s, the friction constant is equal to f. Find work performed by a) force F, b) the vertical component of the effective force acting on the object, c) force of gravitation, d) friction force.

5. An object with mass m is sliding down from an inclined plane with length l and angle alfa, then it moves within a horizontal surface. The inclined plane friction constant is equal to f. What is the velocity of the object at the end of the inclined plane and after travelling 1m on a horizontal surface. What distance will the object travel until it stops

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