A projectile is launched with an initial velocity of 37 m/s at an angle of 28 degrees above the horizontal. In how much time will it take the projectile to fall back to its original height?

Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?