In major league baseball, the pitcher's mound is 60 feet from the batter.

If a pitcher throws a 91 mph fastball, how much time elapses from when the ball leaves the pitcher's hand until the ball reaches the batter?

A projectile is fired at an angle above the level ground. Where does it have maximum kinetic energy? Is it right when it leaves the launcher and right before it hits the ground?

What is a electromagnet?

What stays constant in a reaction? A. The total volume B. The amount of liquid C. The amount of gas D. The total mass

If light takes 100000 to travel the full distance across a galaxy. if light travels 3.0 x 10^8m in one second, how long is this particular galaxy. give answer in standard form

How much time would it take for the sound of thunder to travel 2000 meters if the sound travels at the speed of 330 meters per sec

A stone is thrown vertically up. What kind of energy did the stone have initially? What happens to this energy as the stone ascends?

What happens to the resistance of a filament if it is replaced by a shorter wire?

One group of scientists feel that global warming affects the frequency of hurricanes. Another group of scientists believe that global warming does not affect the frequency of hurricanes, but it makes the average hurricane stronger.

In an experiment, all participants receive a treatment but those in the control group recieves a false treatments

When the volume increased, what happened to the density?