Two basketballs of equal mass collide in midair. If the initial velocity of Basketball A was to the right at 2.5 m/s and the initial velocity of Basketball B was to the left at 1.7m/s, what is the final
velocity of Basketball A if the collision is perfectly elastic?*
(6 Points)
1.7 m/s to the left
1.7 m/s to the right
2.5 m/s to the left
25 m/s to the right

What is the order of the moon, earth, and sun in a lunar eclipse and a solar eclipse?

Animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. reactivate d) a dog is getting hot in the sunlight, so he moves to a shaded area.

What can you increase the strength of an electromagnet by