Explain why you weigh less on a mountain than at sea level.

The colors of the visual spectrum

Discuss how systematic and random errors influence the precision and accuracy of an experiment.

A 67.0 kg crate is being raised by means of a rope. Its upward acceleration is 3.50 m/s2. What is the force exerted by the rope on the crate? A 67.0 kg crate is being raised by means of a rope. Its upward acceleration is 3.50 m/s2.

What's the name of the "super continent" that broke up about 225 million years ago?

Light shines through a single slit whose width is 5.7 10-4 m. A diffraction pattern is formed on a flat screen located 4.0 m away. The distance between the middle of the central bright fringe and the first dark fringe is 3.9 mm.

If 2 grams of element X combine with 4 grams of element Y to form compound XY, how many grams of element Y would combine with 46 grams of X to form the same compound?

How do positive and negative charges interact with each other?

What is electricity

What happens to the density as one progresses through the layers of the earth from the lithosphere toward the inner core

What is tiny holes on the surface of a plant?