Because the universe is expanding, what happens to light from other galaxies as it reaches earth? a. it is brighter b. its is dimmer c. its is blue shifted d. its red shifted

Achild throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. the ball leaves her hand 1.00 m above the ground. how long is the ball in flight before it hits the ground?

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?

A4.0-cm tall light bulb is placed a distance of 32.0 cm from a concave mirror having a focal length of 16.0 cm. determine the image distance