12kg box of fruit needs to be moved to the other side of the warehouse. (a) Calculate the minimum force required to get the box moving if Ms = 0.47?

Identical marbles are released from the same height on each of the following four frictionless ramps . compare the speed of the marbles at the end of each ramp. explain your reasoning

Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?