What is the average of 84,56,92,73, and 45

A battery consists of five dry cells connected in series. If the voltage developed by each cell is 1.5 V, the total voltage developed by the battery is a. 7.5 V. b. 1.5 V. c. 5.0 V. d. 0.3 V. the total voltage developed by the battery is a. 7.5

A block (mass 5 kg) is initially moving to the left at 10 m/s. After hitting the wall, the ball is moving to the right at 5 m/s. What is the impulse of the net force on the ball during its collision with the wall?

1.08 lbm of water fills a container whose volume is 2.08 ft3. The pressure in the container is 100 psia. Calculate the total internal energy and enthalpy in the container. Use data from the steam tables.

A rollercoaster car, 300 kg with passengers, accelerates down a 65 degree hill. we will assume that friction is small enough that it can be ignored. 1) determine the value of the component of the gravitational force parallel to the hill.

15) A person stands on the edge of a cliff. She throws three identical rocks with the same speed. Rock X is thrown vertically upward, rock Y is thrown horizontally, and rock Z is thrown vertically downward.

If the Earth's crust contained twice as much iron as it does, would atmospheric oxygen buildup have been slowed down or sped up during the past 2.

Which of the following statements is true? A. Energy can change from one form to another. B. Matter and energy do not interact. C. Energy cannot be stored. D. Energy does not transfer from place to place.

Work is done when a force A. is exerted while pulling a wagon up a hill B. acts vertically on a cart that can only move horizontally C. is exerted by one team in a tug of war when there is no movement D.

From whom should a departing VFR aircraft request radar traffic information during ground operations?

A stone is thrown at an angle of 30.0 degrees above the horizontal from the top edge of a cliff with an initial speed of 15 m/s. A stopwatch measures the stone's trajectory time from the top of the cliff to the bottom at 6.30 s.