C) What is the velocity of the apple 2. A ball is kicked from the ground with an initial velocity of 15.0m/s [E 33° N] above the
horizontal.
a) What is the ball's time of flight?
b) What is the maximum height above the ground?
c) Calculate the velocity of the ball when it is 1.0m above the ground.

The momentum of an isolated system is conserved a) only in inelastic collisions. b) only in elastic collisions. c) in both elastic and inelastic collisions

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Which statement is best supported by the information in the chart? wave y is moving the fastest. wave x is moving the fastest. all of the waves are moving at the same speed. all of the waves have the same value of wavelengths per second.