What do a prism, a magnifying glass, a microscope, and eyeglasses ALL have in common? A - They're opaque
B - They reflect light
C - They refract light < correct answer!
D - They are translucent

I NEED AN EXPLANATION

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples

The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s