A man who has a mass of 50 kg stands in an elevator that is accelerating up at 3 m/s^2. How much does this man weigh? What does he read on the scale as he accelerates up?

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Ablock of aluminum is dropped into a graduated cylinder with an initial volume of water at 75ml and the volumes rises to 90ml. if the block has a mass of 40.5 g what is its density ?

What would happen to a weak base dissociation equilibrium if more products we added