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...
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...
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...
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...