Two grams of an eight-gram radioactive substance are all that remains after ten minutes. what is the half-life (in minutes) of this substance? a. 2 b. 10 c. 1 d. 5

Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.

70 give a real life example showing how sensory neurons work with the motor neurons

He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is