Aroller coaster begins at the top of a hill. if it accelerates at the rate of 2 m/s2 and has a mass of 2000 kg, what net force is acting on it? (f=ma) a) 0.001 n b) 0.5 n c) 1000 n d) 4000 n

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

With #! i’ve tried to figure it out but i can’t.

Translate this phrase into an algebraic expression. 21 more than twice goran's savings use the variable g to represent goran's savings. need to know fast.