A train whistle is at a higher pitch (note) as it approaches you and then drops to a lower pitch as it moves away. This effect is called A) the Eiffel effect. B) the Doppler effect. C) the genesis effect. D) the electromagnetic spectrum.

Which of the following is not necessarily a criterion for ethical behavior

What is the velocity of 35m with 5s

A 3 billiard ball (mass = 0.16 kg) moving at 4.0 m/s collides elastically head-on with a cue ball (mass = 0.17 kg) that is initially at rest. Find the final velocities of both the cue ball and the 3 billiard ball after the collision.

There is a large box and a small box on a table. The same force is applied to both boxes. The large box moves two feet and the small box moves one foot. Which movement shows the most work done

On a small planet, an astronaut uses a vertical force of 175 newtons to lift an 87.5-kilogram boulder at constant velocity to a height of 0.350 meter above the planet's surface.

Two firefighters are fighting a fire with identical water hoses and nozzles, except that one is holding the hose straight so that the water leaves the nozzle in the same direction it comes, while the other holds it backward so that the water makes a

What is the relationship between the mass of the counterweight and the amount of work done on the projectile?

The steps in the formation of sedimentary rocks are listed below in an incorrect order. 1. Rocks are weathered. 2. The sediments are compacted together. 3. They are deposited in layers. 4. Small pieces of rocks are carried by water.

Which method would you use to find the volume of an irregular shaped object?

A step up transformer has a primary coil with 100 turns and a secondary coil with 25 turns if the input voltage in the primary coil is 40 volts what is the output voltage reduced to in the secondary coil A) 20 volts B) 35 volts C) 4 volts D) 10