If a cold gives you a stuffed-up nose, it changes the way your voice sounds, even if your vocal cords are not affected. Explain why this is so.

All phase changes are. an example of a phase change is an ice cube melting

What are the solar cells made of

Displacement vs distance

A car with a mass of 950 kg moves at 24 m/s. What braking force is needed to bring the car to a halt in 10 s?

Here's a basketball problem: A 87.2 kg basketball player is running in the positive direction at 7.0 m/s. She is met head-on by a 102.0 kg player traveling at 5.2 m/s toward her. If the 102.0 kg player is knocked backwards at 2.

An arc welder provides 250A of current when operating with a voltage of 40V. What is the power required by this welder? Explain your answer.

How do you say scuba dive in spanish

a boy hears the echo of his own voice from a distance hill after 0.8 seconds. If the speed of sound in air is 340m/s, calculate the distance of the hill from the boy.

Which of the following are found in plant cells buh not animal cells?

The diagram shows the field lines near the poles, X and Y, of two magnets Based on the field lines, what are the poles of the magnets? O X: north Y south X: south Y north X north Y north Х Y X south Y south