How much force is needed to produce an acceleration of 20ms^2 in a body of mass 500gm

If a transparent blue filter is placed over a camera lens, what happens to visible light entering it a. all colors of visible light pass through the filter and enter the cameral lens b.

Is this argument valid or invalid? Why? What did you consider when determining whether this argument uses proper reasoning? If students earn college degrees, they tend to make more money. Chris earned a college degree.

Which happens during the day at the beach? A. The water is warmer than the land, and air sinks over the water B. The water is cooler than the land, and air sinks over the water C. The water is warmer than the land, and air rises over the water D.

The moon is slowly moving away from the earth, what will eventually happen to the gavitional force between the earth and the moon

A projectile is shot horizontally at 23.4 m/s from the roof of a building 55.0 m tall. What is the time necessary for the projectile to reach the ground below?

Some lactic acid in the muscles dissipates during.

When two waves undergo complete, constructive interference, which of the following increases? A. speed B. amplitude C. wavelength D. frequency

Pressure = Force Area The formula above shows how pressure relates to force and area. For example, the pressure exerted by a fluid is equal to the force of the fluid divided by the area over which the force is applied.

1. Most waves are caused by vibrations. What motion in a transmitting antenna causes the vibrations that produce radio waves? 2. Name two common household appliances that produce electromagnetic waves other than radio waves.

A 3.70 kg block moving 2.09 m/s right hits a 2.42 kg block moving 3.92 m/s left. Find the total momentum of the system.