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A potter's wheel-a thick stone disk of radius 0.500 m and mass 125 kg-is freely rotating at 50.0 rev/min. The potter can stop the wheel in 6.00 s by pressing a wet rag against the rim and exerting a radially inward force of 64.0 N. Find the effective coefficient of kinetic friction between the wheel and rag.
A 11.0-g wad of sticky clay is hurled horizontally at a 110-g wooden block initially at rest on a horizontal surface. The clay sticks to the block. obtain the speed of the clay immediately before impact
A hunter aims directly at a target (on the same level) 113 m away. If the bullet leaves the gun at a speed of 255 m/s, by how much will it miss the aim.
What would the bank angle be for a circular racetrack with radius 120 m so that a car can go around the curve safely at a maximum of 21 m/s
What is the highest speed with which an 1180-kg car can round a turn of radius 75.00 m on a flat road if the coefficient of static friction between tires and road is 0.80.
In exercising, a weight lifter loses 0.143 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. Determine the minimum number of nutritional Calories of food
A sample containing sulfur (atomic mass 32 u), manganese (55 u), and an unknown element is placed in a mass spectrometer. What is the mass of the unknown element
four long straight wires are perpendicular to the page and their cross sections form a square of edge length a 6.65
A ray of light is incident normally on a glass plate 6.00 cm thick and of refractive index n = 1.29, find the increase in the distance the ray travels in the glass
Three resistors with values 1.0 , 2.2 , and 5.5 , respectively, are connected in parallel in a circuit with a 5.0 V battery. What is the total equivalent resistance
What is the location of an object for which the magnitude of the image distance is one-fourth the magnitude of the object distance
Assume that the temperature of the bullet doesn't change appreciably, how much ice is melted as a result of the collision.
Assume you are a medieval knight attacking a castle with a cannon. The cannonball leaves the cannon with a speed of 40.7 m/s, What is the time of flight of the cannonball
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