Considering the ima of this frictionless inclined plane, how much force is required to drag a 90 lb. box up it?

a.109 lb
b.10 lb
c.81 lb
d.9 lb

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

Can someone me with 6 to 10 plz this is for masteries test.

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.