A crate of bananas weighing 3000 N is shipped from South America to New York, where it is unloaded onto a
lever. The dock worker applies a force of 200 N on the
other side of the lever to lift the crate. What is the
mechanical advantage of the system?

Why cooking gas has a typical smell

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

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?