A rock, mass = 2.0 kg, is fired straight up at 60 m/s from a catapult (not a safe thing to do). What will be its maximum height at the moment it stops going up and starts to come down? Use the magnitude of g to be -10m/s2.

180 m

3600 m

360 m

-540 m

540 m

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward