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An ideal gas with =1.4 occupies 3.0L at 300 K and 100kPa pressure and is compressed adiabatically until its volume is 2.0 L. It's then cooled at constant pressure until it reaches 300 K, then allowed to expand is thermally back to state A.
Discover the net work done on the gas and V min?
A car in an amusement park roller coaster ride rolls without friction at the top of a hill. The car begins at a height h from the top of a hill. what is the magnitude of the car\'s tangential acceleration
A 300 g object attached to the end of a spring oscillates with an amplitude of 7 cm and a frequency of 1.80 Hz. Find its maximum speed and maximum acceleration
A skateboarder shoots off a ramp by a velocity of 7.1 m/s, directed at an angle of 51° above the horizontal. The end of the ramp is 1.2 m above the ground. Let the x axis be parallel to the ground, the +y direction be vertically upward, and take as t..
A particular heat engine has a useful power output of 4.40 kW and an efficiency of 30.0%. The engine expels 7200 J of exhaust energy in each cycle. Find the energy taken in during each cycle
A 90 kg crate is pushed at constant speed up the frictionless 24° ramp. What horizontal force F is required? What force is exerted by the ramp on the crate
a cylinder contains 3.2l of oxygen at 340k and 2.6 atm . the gas is heated causing a piston in the cylinder to move
The damage caused by electric shock depends on the current flowing through the body; 1 mA can be felt and 5 mA is painful. What is the minimum voltage placed across the arms that would produce a current that could be felt by a person with dry skin
You find an unlabeled box of fine needles, and want to determine how thick they are. What is the diameter of the needle
A 6,000 lb car is traveling SW at 40 mph. it is hit by another car that weighs 7,000 lb and is traveling NNE at 50 mph. What is the speed and direction of the cars immediately after the collision
A hummingbird is flying in such a way that it is initially moving vertically with a speed of 4.4 m/s and accelerating horizontally at 11.9 m/s2. Assume the bird's acceleration remains constant for the time interval of interest
In an aortic aneurysm, a bulge forms where the walls of the aortaare weakened. If blood flowing through the aorta (radius 1.0 cm)enters an aneurysm with a radius of 3.0 cm, how much on average is the blood pressure higher inside the aneurysm than ..
Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic, glancing collision. The yellow disk is initially at rest and is struck by the orange disk moving with a speed of 5.00 m/s.
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