Two identical 7-kg bowling balls roll toward each other. The one on the left is moving at +4 m/s while the one on the right is moving at -4 m/s. What is the velocity of each ball after they collide elastically?
a. Neither is moving.
c. +4 m/s, -4 m/s
b. -14 m/s, 14 m/s
d. -4 m/s, +4 m/s
Question 2
If a negative charge is placed inside a hollow isolated conductor that is originally neutral and the charge does not touch that conductor at any time:
a. both the inner and outer surfaces will become negative.
b. both the inner and outer surfaces will remain neutral.
c. the outside surface of the conductor will become positively charged. d. the inside surface of the conductor will become positively charged.
Cardinal Fields of Gaze, Left Lateral Inferior Gaze
Botox therapy: (left) before treatment; (right) after treatment.
Gently press and roll the arm between your two hands, lightly mobilizing the shoulder and elbow ...
The heart and its major blood vessels. Oxygen-rich blood is pumped from the lungs to the left
Right and Left Visual Fields
A female Agile Wallaby (Macropus agilis) with young in pouch feeds on grass in Green Bowling Bay Nat