Avolleyball is hit straight up in
the air with a vertical speed of
7.35 m/s. what is the vertical
displacement of the ball 1.50
seconds after being hit?
a. o m
b. 8.27 m
c. 11.0 m
d. 22.1 m

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

The material that keeps its new shape after it is stretched is called?