4. You run from your house to a friend's house that is 3 miles away. You then walk home.
What was your displacement?

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

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