A ball is dropped from the top of a building. When does the ball have the most potential energy?

Two forces, 80 N and 100 N, acting at an angle of 60 ° with each other, pull on an object. (a) What single force would replace the two forces? (b) What single force (called the equilibrant) would balance the two forces? Solve algebraically.

What ratio increases when a cell divides into two smaller cells?

The index of refraction of a certain liquid is 2.1. What is the critical angle for a light ray traveling in this liquid toward a flat layer of air above it?

Positively-charged particles consisting of two protons and two neutrons emitted by radioactive materials. True or False

El Niño is actually good news for some parts of the world that experience a decreased chance of severe weather events. True False

The vapor pressure of ethanol at 25 degrees C is 7.83 kPa. Calculate the vapor pressure in atm. Round answer to 3 significant digits.

According to Newton's second law of motion acceleration or an object depends upon the ___ of the object and the ___ Acting on it. I'm confused on what the blanks are. I can't find them.

What is the concentration of H + ions at a pH = 7?

Suppose that Paul D. Trigger fires a bullet from a gun. Will the speed of the bullet leaving the muzzle will be the same as the speed of the recoiling gun? Explain.

A certain rock contains large jagged pieces of other rocks cemented by fine particles what type of rock is this explain