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Question: A student ties a 500 g rock to a 1.0 m long string and swings it around her head in a horizontal circle.
Part A: At what angular velocity, in rpm, does the string tilt down at a 10 degree angle?
I need expert help to solve the above question.
Robert Mugabe is playing in the bath. He notices that wave crests pass his plastic toy duck every 1.2s> he measures the distance among two crests to be 0.06m. How fast are the waves travelling?
A piece of glass has a temperature of 81.0 °C. Liquid that has a temperature of 37.0 °C is poured over the glass, completely covering it, determine the specific heat capacity of the liquid
Two 4.0 cm × 4.0 cm electrodes spaced 2.0 mm apart form aparallel-plate capacitor. Inside the capacitor the electric fieldstrength is 6.2 X106 N/C. What is the charge on each electrode
A 1.8-m-long steel wire in a musical instrument has a radius of 0.02 mm. When the wire is under a tension of 88 N, how much does its length change
A certain amount of work is required to stretch spring A a certain distance. Compare the spring constants of the two springs
Calculate the total number of electrons in a coin of mass of 3.00 grams made of pure copper. Each copper atom has 29 electrons, its atomic weight is 63.5 grams, and density is 8.9 gram / cm^3.
Water is pumped into the tank until the air pressure reaches 4.0 atm. The temperature is constant. Find out the height of the compressed air.
Santa loses his footing and slides down a frictionless, snowy roof that is tilted at an angle of 29.0 degrees. what is his speed as he leaves the roof
A 36.0 kg child swings in a swing supported by two chains, each 2.90 m long, find the child's speed at the lowest point
A 4.10g lead bullet traveling at300m/s is stopped by a large tree. what is the increase in temperature of the bullet
to measure the speed of light fizeau used a rotating disk with equally spaced holes through which light could pass.
A rocket with a mass of 53,000 kg (including fuel) is burning fuel at the rate of 150 kg/s and the speed of the exhaust gases is 6,000 m/s. If the rocket is fired vertically upward from the surface of the Earth, decide its height after 901 kg of its ..
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