Doug is doing work. Without knowing exactly what he is doing, which can be said about the work he is doing?

Energy is transferred.

Energy is increased.

Energy is decreased.

Energy is unchanged.

You kick a ball with a speed of 18 m/s at an angle of 32 degrees. How far does the hall land?

Describe the relationship between the radius of a cation and that of the atom from which it is formed.

Describe a real-world example in which the amount of potential and kinetic energy change, but the total amount of mechanical energy stays the same.

What is the mass of of a wooden block that has a length of 4cm and a width of 5cm and a height of 10cm

Say you dropped a cannonball from the 17-meter mast of a ship sailing at 2 meters/second. How far from the base of the mast will the ball land?

Which tuning fork would sound lower, one with frequency 512 Hz or 128 Hz?

Our solar system is located in the center of the milky way galaxy. true or false

A thermometer is placed in water in order to measure the water's temperature. What would cause the liquid in the thermometer to rise? A. The molecules in the water move closer together. B. The molecules in the thermometer's liquid spread apart. C.

If 30ml of a fluid has a mass of 63g what is it's density

If we double the mass of the sun, what would happen to the gravitational force between the sun and earth?