3. Two point charges are placed .75 m apart. One point charge is 3 x 10°C and the other point charge is -8 x 10°C. What is the magnitude of the electric field?

Aball is thrown straight up into the air with a speed of 21 m/s. if the ball has a mass of 0.1 kg, how high does the ball go? acceleration due to gravity is g = 9.8 m/s^2. a. 22.5 m b. 20.0 m c. 25.0 m d. 17.5 m

Choose a synonym for the underlined homonym (a word with two or more meanings). i did not expect the boat to rock so much. a. boulder c. astound b. sway d. shock

If anyone who can me with this hw? i would really appreciate it