A ball is dropped from a building of height h. Assume the ball starts from rest and that air friction can be ignored. Derive an expression for the amount of time it takes the ball to travel from h to h/2. Express your answer in terms of h and the acceleration due to gravity g.

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Iwould say a is accurate

The modern-day generator works on the principle of electromagnetic induction discovered by michael faraday in 1831-32. faraday discovered that the above flow of electric charges could be induced by moving an electrical conductor, such as a wire that contains electric charges, in a magnetic field.

The actual answer is c force stays the same while direction changes