If Johnny ran 20 kilometers in 2 hrs (bw = 70 kiloponds) how much work did he perform in joules.?
If Johnny ran 20 kilometers in 2 hrs (bw = 70 kiloponds) how much work did...
2. "A gardener has a 20% and a 70% solution of an insecticide. How much of each must be used to make 4.0 liters of a 35% solution? 8pts 2. A gardener has a 20% and a 70% solution of an insecticide. How much of each must be used to make 4.0 liters of a 35% solution? 8pts
How much work does the electric field do in moving a proton from a point with a potential of +149 V to a point where it is -70 V? Express your answer both in joules and electron volts. J eV
How much work does the electric field do in moving a proton from a point with a potential of +130 V to a point where it is -70 V ? Express your answer in joules. Express your answer in electron volts.
How much work does a supermarket checkout attendant do on a can of soup he pushes 0.510 m horizontally with a force of 4.40 N? Express your answer in joules and kilocalories.
How much work does a supermarket checkout attendant do on a can of soup he pushes 0.610 m horizontally with a force of 4.80 N? Express your answer in joules and kilocalories. kcal
2. How much work does the electric field do in moving a proton from a point at a potential of 125 V to a point at - 45 V Express your answer both in joules and electron volts.
Consider air to be a mixture of 80% nitrogen and 20% oxygen. (A) How much work is required to raise the temperature of 3 mol of air by 2 ∘C in an adiabatic process?
How much work is associated with the expansion of a gas from 1.75 2 to 3.81 L against a pressure of 2.48 atr? Did the system do work or was work done on the system? Select one a.-5.11 J, the system does work b.-516J. the system does work c.-516J. work was done on the system d.-5.11 work was done on the system
2 How much work, exactly? Determine how much work is required for a process that releases -100 kJ of heat, starts at an internal energy of 45 kJ. and ends at an internal energy of 300 kJ. Kinetic and potential energy changes are negligible.
need within 20 minitues please Ben arrived at work at 8:15 A.M. He left work at 10:30 P.M. Ben gets paid by the hour at a rate of $ 12. He earns $ 18 per hour for any time worked after 8 hours in a day. How much did Ben get paid? $ 208.50 $204.00 $96.00 $ 171.00