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A scalar quantity has magnitude only - for example distance.A vector has magnitude and direction - for example gravity (acceleration tow...
The difference is a bit subtle. Velocity is speed in a particular direction.
So, for example, a car travelling at 50 miles per hour round a bend is travelling at constant speed. Its direc...
Answer: Can be any 2 of mass, velocity or radius of path.
The formula for the centripetal force (resultant) acting F=m(v^2)/r. Therefore the variables are mass, velocity for the object ...
The best method of answering this question would be to look at the energy of the ball at the moment it is thrown and at the moment it reaches its highest point.When the ball is thrown, initially all...
When an electrically charged object (e.g rod) charges an uncharged object (e.g. metal sphere) that is nearby with the opposite charge.
How does this happen?
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