Cobalt-60 has a half life of 5.25 years. If you started with a 40 gram sample of pure cobalt-60, how many grams of cobalt-60 would remain after 10.5 years?

Explain why group 1 and 2 from the periodic table form many compounds with group 16 and 17

Restate Wegener's hypothesis in your own words.

Glycerin at 20 °c flows upward in a vertical 75-mm - diameter pipe with a centerline velocity of 1.0 m/s. determine the head loss and pressure drop in a 10-m length of the pipe.

A book is sitting on a shelf that is 3.0 meters off the ground. Kinetic energy is found using the formula 1/2 times mass times speed. Potential energy is found by taking mass times g times height, with g as the constant, 9.8 m/s squared.

How are the functions of the cytoskeleton and the cell wall similar

If the truck has a mass of 4,000 kilograms, what is its momentum? Express your answer in kg x m/s

Using diagram differentiate between solenoid and a toroid

If a gas has a gage pressure of 156 kPa, its absolute pressure is approximately

Which factor affects elastic potential energy but not gravitational potential energy?

Projectile motion is a combination of which two types of motion?