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?

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?