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The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 299 K. To deposit 14320 J of heat in the house, the heat pump requires 804 J of work. Determine the temperature of the well water. Give answer in K. Do not enter unit.
A converging lens of focal length 0.25 m forms a virtual image of an object, What is the distance between the object and the lens
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the process, What is the tire pressure in pascals
A water pipe having a 2.60 cm inside diameter carries water into the basement of a house at a speed of 0.827 m/s, find water pressure (in kPa) at the second floor
A student sitting on a frictionless rotating stool has rotational inertia 0.90 kg*m^2 about a vertical axis through her center of mass when her arms are tight to her chest. The stool rotates at 6.80 rad/s and has negligible mass.
A high-speed photograph of a club hitting a golf ball is shown in the figure below. find the average force exerted on the ball by the club
A collapsible plastic bag contains a glucose solution. If the average gauge pressure in the artery is 1.4 multiplied by 104Pa, what must be the minimum height, h, of the bag in order to infuse glucose into the artery? Suppose that the specific gra..
A 420-g ball is attached to one end of a horizontal cord of length L = 2 m and the other end is fixed, what will be its speed at the lowest point of its path
Two masses are connected by a light string passing over a light, frictionless pulley, Determine the speed of each object when the two pass each other
Sam, whose mass is 76.0 , takes off down a 52.0 high, 10.0 slope on his jet-powered skis. The skis have a thrust of 200 . Sam's speed at the bottom is 40.0. Illustrate what is the coefficient of kinetic friction of his skis on snow?
A hunter is standing on flat ground between two vertical cliffs that are directly opposite one another. He is closer to one cliff than the other. find the distance (in m) between the cliffs
the displacement from hastings to kearney is 36 miles at 12* North of West. find Average Velocity from Hastings to Kearney
A cylinder of radius a = 9.4 cm and height h = 9.5 cm is aligned with its axis along the y-axis as shown. What is the total flux ? that passes through the cylindrical surface? Enter a positive number if the net flux leaves the cylinder and a negat..
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