Conservation of Energy - AP Physics 1 Quiz

For a baseball field, the distance between home plate and the center field wall is about and the wall is tall. If a player hits the ball at a level of off the ground, an angle of above the horizontal, and a velocity of $40 $\frac{m}{s}$$ , what is the total velocity of the ball as it passes over the center field wall at a height of ?

Neglect air resistance and assume $g = $10$\frac{m}{s^2$}$$

Conservation of Energy Practice Test

A rollercoaster cart with a total mass of 1,000kg is at the top of a hill moving at $2$\frac{m}{s}$$ . Assuming no friction and neglecting air resistance, what is the speed of the cart when it reaches the bottom of the hill, 30m below?

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