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 what makes a passenger in a turning car slide toward the door. critical thinking

Asap time is ! best answer gets compose at least one well-developed paragraph on the following: define the term concurrent powers, and give an example of a concurrent power of government.

What happens when the vapor pressure of a liquid is equal to the external pressure?