Avolleyball player’s hand applies a 39 n force while in contact with a volleyball for 2 seconds. what is the impulse on the ball? 20 n • s 37 n • s 41 n • s 78 n • s

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.

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

Asher cycles 12 miles in 16 hours. what is his speed?