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A reversible engine contains 0.350 mol of ideal monatomic gas, initially at 586 K and confined to a volume of 2.42 L . The gas undergoes the following cycle:
Determine the engine's efficiency in percents, defined as the ratio of the work done to the heat absorbed during the cycle.
A woman at an airport is towing her 14.0-kg suitcase at constant speed by pulling on a strap at an angle, What is the magnitude of the normal force that the ground exerts on the suitcase
1) When studying a cause and effect relationships, usually, is the cause the dependent or the independent variable? Is the effect the dependent or the independent variable?
A satellite is placed between the Earth and the Moon, along a straight line that connects their centers of mass. The satellite has an orbital period around the Earth that is the same as that of the Moon, 27.3 days. How far away from the Earth should ..
A hiker, who weighs 916 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs3060 N, and rests on two concrete supports, one on each end. Hestops 1/4 of the way along the bridge
A quarterback claims that he can throw the football a horizontaldistance of 196.6 m (215 yd). Furthermore,he claims that he can do this by launching the ball at therelatively low angle of 25° above the horizontal. To evaluate his claim, determine ..
If the car has a mass of 130 g and it leaves the track with a speed of 3.85 m/s, what is the maximum height reached by the car, relative to the floor?
A satellite operates at an altitude of 20,100 km and utilizes communication frequencies of1598.48 MHz. Find the gravitational frequency change by respect to Earth.
The position of an air-track cart that is oscillating on a spring is given by the equation x = 12.4 cos[(6.35 s-1)t] . At what value of t after t= 0.00s in the cart first located at x = 8.47 cm ?
An archeologist on a dig finds a fragment of an ancient basketwoven from grass. What is the age of the basket
In a tornado, the pressure can be 15% below normal atmospheric pressure. Sometimes a tornado can move so rapidly that this pressure drop can occur in one second. Assume a tornado suddenly occurred outside your front door, which are 182 cm high and 91..
A block of mass 4.0 kg lies on a horizontal surface. The coefficient of static friction among the block and the surface is 0.470. By raising one end of the surface, the angle (relative to horizontal) of the surface is slowly increased.
A steel ball with radius 1 cm is rolling along a table with speed 20.00 cm/sec when it starts to roll up an incline. How high above the table level would it rise before stopping.
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