Another 0.575 kg smurf (there are 99 of them...) is now thrown horizontally from a 50.0 m cliff at 8.00 m/s. how much kinetic energy does it have when it is 15.0 m from the ground?

think about the oscillation of the toy shown in the video. when the toy is at the highest point of its motion, its velocity is zero and its acceleration is negative.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray