Laser light is high powered, directional, coherent, and has a double wavelength. true or false.

The cochlea is like a rolled up triangle which allows us to hear what part of sound? Answer: Acoustics Decibels Osculation Timbre Pitch Amplitude

Two forms of mechanical energt

Which of the following are scientific hypothesis tides are caused by the moon, earth rotates around it's axis because living things need an alternation of light and darkness, chlorophyll makes grass green

A ramp leading to the freeway overpass is 210 feet long and rises 31 feet. what is the measure of the angle formed between the ramp and the freeway?

How is the gravitational potential energy stored in an object converted into kinetic energy A by throwing to object upward B by putting the object on the ground C by moving the object to one side or D by letting the object fall

1. What's your great idea for capturing carbon emissions from existing power plants today?

A lever allows a 35 N load to be lifted with a force of 7 N. What is the mechanical advantage of the lever?

A container of gas is at a pressure of 3.7 * 105 Pa How much work is done by the gas if its volume expands by 1.6 m3?

A person carries a mass of 10 kg and walks along the + x-axis for a distance of 100m with a constant velocity of 2 m/s. What is the work done by this person? A) 20 J B) None of the other choices is correct. C) 0 J D) 200 J

Uranus has more than 14 times as much mass as earth, yet the gravitational force is less. how can that be?