Aboy pushes on a wagon so that it accelerates at a rate of 0.50 m/s2. the wagon has a mass of 24 kg. what is the magnitude of the boy's pushing force? (ignore frictional effects.)

12 n
12 kg
48 n
48 kg

Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas.caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible.relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)