The sun radiates about 3.6 x 10^26 Joules of energy each second. How much mass does the sun lose each second?

Which quantity may be calculated directly using Newtons second law of motion

Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 18 m/s at an angle 42 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground.

A learned trait is a characteristic that results from experience and the influence of the environment.

What is the velocity of a wave that has a frequency of 400 Hz and a wavelength of 0.5 meters?

A region of space that contains no matter

Which type of radiation has the lowest penetrating ability?

For which one of the following situations will the path length equal the magnitude of the displacement? a A ball on the end of a string is moving in a vertical circle. b A toy train is traveling around a circular track.

A poem on the body system

How many stars, approximately, are in the solar system?

The ends of a magnet where the force is strongest are magnetic