# Search results

1. ### Minimum speed at the circular track

Homework Statement What is the minimum speed of the car must have at the top of the loop? There are three methods. I would like to know which method or answer is correct. Please see attached file. Homework Equations Please see attached file. The Attempt at a Solution Please...
2. ### Conservation momentum for y- axis

Homework Statement A ball P of mass m kg is dropped from a point A, which is 2 m vertically above a point B on a horizontal floor. After P hits the floor at B, it rebounds and hits another ball Q, of the same mass, which has also been dropped from A. The impact between the two balls is...
3. ### Equilibrium Problem

Homework Statement Please see attachment. Homework Equations Summation F(x)=0 Summation F(y)=0 Summation tau=0 The Attempt at a Solution Please see attachment. I know how to calculate the problem but I don't know the last part of the solution why the examinar choose...
4. ### Circular Motion problem

Homework Statement Please see attachment my problem. Homework Equations Law of conservation of energy Newton's Second law for circular motion The Attempt at a Solution Please see attachment. I didn't get the answer same as solution. Please help me. Homework Statement...