Question

Assume that the ball can get to y =10 m. How much kinetic energy does the...

  1. Assume that the ball can get to y =10 m. How much kinetic energy does the ball lose in going from y = -10 m to y = 10 m? Is this independent of v0x initial?

i. KE -10= , KE+10=

ΔKE=

  1. What is the work done by gravity when the ball goes from y= -10 m to y = 10 m?
    1. To calculate the work done by gravity first show using symbols only, then determine a numerical value (ie plug numbers into your formula).

Wg= Wg =

(symbols) (number)

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