Bailey dives off a 27 m high cliff in Acapulco with a horizontal velocity of 19 m/s. How far outward will she be when she enters the water? Please help asap!

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

By what primary heat transfer mechanism does the sun warm the earth?

The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? a b c d