The density for potassium is 0.856 g/cm3. What would be the mass of a 40 cm3 piece of potassium?

A. 68.48g

B. 46.73g

C. 34.24g

D. 34g

A wave pulse traveling to the right along a thin cord reaches a discontinuity where the rope becomes thicker and heavier.

What causes some materials to have a magnetic fields?

If sequential hills increased in size, what will happen to the tennis ball as it rolls along the track?

Describe the relationship between gravitational force, mass, and distance. Also answer if doubling mass or doubling distance would result in a greater increase in the gravitational force.

1. The sun appears to move across the sky, because the earth spins on its axis. To a person standing on the earth, the sun subtends an angle of θsun = 9.28 * 10-3 rad. 2).

Explain what happens to light when it is refracted at the surface of water.

A small car meshes with a large truck in a head-on collision. Which of the following statements concerning the magnitude of the momentum change during the collision is correct? (There could be more than one correct choice.

Consider the following distribution of objects: a 3.00-kg object with its center of gravity at (0, 0) m, a 4.20-kg object at (0, 6.00) m, and a 1.40-kg object at (1.00, 0) m. Where should a fourth object of mass 7.

A Volt/Amp Is Also Known As.?

What's the difference between mass & weight & how they are measured