A pitcher throws a ball at 40 m/s. how much time does the ball take to reach the batter 18 m away

1. Balanced forces acting on an object will cause it to A. Stay in place B. Move 2. Greater force on one side of an object than the other will cause the object to A. Stay in place B. Move

Two trains start from towns 240 mi apart and travel towards each other on parallel tracks. they pass each other 1.6 hr later. If one train travels 10 mph faster than the other, find the speed of each train ... ?

If alex has mass of 60 kg on Earth, what is his mass on the moon?

When the wick is lit, the kerosene in the wick undergoes a chemical reaction with oxygen in the air to release energy in the form of light. Which change to the device would increase the amount of time the lantern provides light?

Which of the following is not accurate when describing solids? A. Molecules in solids are closer together than molecules in liquids. B. Solids are better conductors of heat than liquids C. Solids with many air pockets are good insulators. D.

According to Newton's first law of motion, what would happen to a car traveling at a constant velocity of 55 MPH to the west in the absence of an unbalanced force?

The Appalachian mountain range in the Eastern United States was once much taller than the Rocky mountain range in the Western United States.

Describe how lighting is just like you walking across a carpet and getting shocked

You need to raise a heavy block by pulling it with a massless rope. You can either (a) pull the block straight up height h, or (b) pull it up a long, frictionless plane inclined at a 15∘ angle until its height has increased by h.

A 320-m length of wire stretches between two towers and carries a 120-a current. determine the magnitude of the force on the wire due to the earth's magnetic field of 5.0 * 10-5t which makes an angle of 60 ∘ with the wire.