= 2.5ms ov
5) Two identical pucks collide on an air hockey table. One puck was originally at
rest. If the incoming puck has a speed of 6.00 m/s and scatters to an angle of
30.0°, what is the velocity (magnitude and direction) of the second puck if it
scatters at 60°?​

Amachinist needs to remove a tight fitting pin of material a from a hole in a block made of material b. the machinist heats both the pin and the block to the same high temperature and removes the pin easily. what statement relates the coefficient of thermal expansion of material a to that of material b? a) the situation is not possible, heating block b will shrink the hole in the material as the material expands with increasing temperatureb) material b has the same coefficient of expansion as does material ac) material b has a negative coefficient of expansion and a has a positive coefficient of expansiond) material a has a greater coefficient of expansion than does material be) material b has a greate

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?