when 150 joules of work is done on a system by an external force of 50 N in 20. Second, the total energy of the system increases by

How will each of the following changes in demand and/or supply affect equilibrium price and equilibrium quantity in a competitive market; that is, do price and quantity increase or decrease, or are the answers indeterminate because they depend on the magnitudes of the shifts?

How much work would a child do while puling a 12-kg wagon a distance of 3m with a 22 n force directed 30 degrees with respect to the horizontal? (a) 82j (b) 52j (c) 109j (d) 95j

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =