A roller coaster is at the top of a 72 m hill and weighs 966 N. The coaster (at this moment) has energy. Calculate it.

What must happen before a body cell can begin mitotic cell division

Which of the following describes a situation where competition between producers exists

Given the following information: mass of proton = 1.00728 amu mass of neutron = 1.00866 amu mass of electron = 5.486 × 10^-4 amu speed of light = 2.9979 × 10^8 m/s calculate the nuclear binding energy (absolute value) of 3li^6. which has an atomic mass of 6.015126 amu. j/mol.