Does toothpaste have matter

When cooling down soup what is the time and temperature specification

Why did dad leave mom?

What is the propagation delay on a circuit using a leo satellite orbiting 500 miles above the earth if the speed of the signal is 186,000 miles per second?

Unless a parent is blue-eyed, there will be no blue-eyed children. (Be careful on this question as well. Do a web search to see if 2 brown eyed parents can have a blue eyed child) True False

A space probe is launched from Earth headed for deep space. At a distance of 10,000 miles from Earths center, the gravitational force on it is 381 pounds.

Feng and Isaac are riding on a merry-ground. Feng rides on a horse at the outer rim of the circular platform, twice as far from the center of the circular platform as Isaac, who rides on an inner horse.

Alice did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects the light. She placed a ray box in front of a mirror.

When the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isJ.

How do most primary producers make their own food?

The maximum kinetic energy of photoelectrons is 3.10 ev. when the wavelength of the light is increased by 50%, the maximum energy decreases to 1.50 ev. part a what is the work function of the cathode?