What is the approximate horizontal velocity at which the boy in the diagram threw the ball?

a. +5m/s

b. +20m/s

c. +25m/s

d. +30m/s

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

Ineed ! using proper grammar, spelling, and punctuation, write at least one 5 sentence paragraph describing 3 ways we use the elements of the electromagnetic spectrum (ems) in our everyday lives.

When solid surfaces slide over each other the kind of friction that occurs is called friction