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A potter's wheel -- a thick stone disk of radius 0.500 m and mass 110 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 the rag.
The bones a a saber-toothed tiger are found to have an activity per gram of carbon that is 14.5 % of what would be found in a similar live animal. How old are these bones
What is the period of revolution? please give me answer and units to both questions. dont just give me equation
A person holds a rifle horizontally and fires at a target. The bullet has a muzzle speed of 200m/s, The air temp is 72 degrees Fahrenheit. What is the distance to the target
A magnetic ?eld of 0.285 T exists in the region enclosed by a solenoid that has 329 turns and a diameter of 11.5 cm. What current is induced in the coil
The wake of a speedboat is 17â?? in a lake where the speed of the water wave is 2.8km/h. What Is the speed of the boat
a uniform 12.0kg ladder is 4.0m long and is placed against a frictionless wall at 30 degress. find the frictionless force at the floor necessary to maintaain equilibrium
A car travels east at 94 km/h for 5.0 h. It then travels 45.0° east of north at 129 km/h for 5.0 h. What is the average velocity for the trip
suppose that no heat is lost to the surroundings, what is the situation when termal equilibrium is reached.
A hot air balloonist rises vertically with a constant velocity of 6.0 m/s and releases a sandbag at the precise instant when the balloon is 40.0 m above the ground. what is the time when the sandbag hits the ground
A fan blade rotates with angular velocity given by ?z(t)= ? ? ? t2, where ? = 5.45rad/s and? = 0.835 rad/s3. Calculate the angular acceleration as a function of time
How many 104 W lightbulbs can you use in a 102 V circuit without tripping a 17 A circuit breaker? (The bulbs are connected in parallel that means that the potential difference across each lightbulb is 102 V.)
Say you have a piston falling in a cylinder filled with water. The water is plumbed from the bottom of the cylinder to the top, What would the kinetic energy be at the end of a 20m descent
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