Name two characteristics of the elements in the first group of the periodic table.

What is the speed of sound in water if its frequency is 1000 hz and its wavelength is 1.5 m?

Which of the following is an example of velocity? 10 m/s 10 10 m/s to the right 10 m to the right

Explain what happens inside the radiation zone that causes the photon to take so long to exit the sun

The average kinetic energy of the molecules of an ideal gas is directly proportional to the

The earth receives energy from the sun. You feel the energy on your skin every time you go outside on a sunny day.

How acceleration and gravitation (acceleration) are related/different?

The level of water in an olympic size swimming pool (50.0 meters long, 25.0 meters wide, and about 2.00 meters deep) needs to be lowered 6.50 cm. if water is pumped out at a rate of 4.

A 5kg mass has a force applied that changes its velocity from 8m/s to 2m/s in the same direction what is the change in momentum

True or false: electricity follows a circular pattern?

A diver shines a flashlight upward from beneath the water (n=1.33) at a 36.2° angle to the vertical. At what angle does the light leave the water? Express your answer using three significant figures?