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Consider a bicycle wheel rotating about it's axel. If it is rotating at 2 revolutions per second, and the radius of the wheel is 0.35 m, what is the speed of each point on the rim of the wheel? If the mass of the wheel is 2 kg, and to a good approximation all this mass is on the rim, what is the kinetic energy of the rotating wheel?
A river of width L moves uniformly with speed v.A canoe is to be paddled at a constant speed c with respect to the river. what is the round trip time
You're carrying a 4.0-m-long, 25 poles to a construction site when you choose to stop for a rest. You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip. How much force should you exert to keep pole motionles..
Two parallel conducting plates are separated by 10.0 cm, and one of them is taken to be at zero volts. What is the voltage between the plates
According to a report on traumatic brain injury, the force that a professional boxer's fst exerts on his opponent's head is equivalent to being hit with a 5.9kg bowling ball traveling at 8.9m/s that stops in 0.018s. Determine the average force that t..
An arteriole has a length of 1.25 mm and a radius of 21.9 (mili meter) The blood pressure drop along the arteriole is 1310 Pa. Calculate the flow rate through the arteriole
1.give the definition of electrical circuit. draw the simplest electrical circuit and mark the directions of electrical
q1. a snowmobile climbs a hill at velocity v-up. the slope of the hill is a 2 ft rise for every 70 ft of distance. the
On September 2nd, 2010, you come home after working long hours on your homework on "Intro to Astrophysics" and lemonade. To the south; you see the bright planet Jupiter about 58 degrees above the horizon. (a) What time is it? (b) Calculate the coordi..
A 230mW vertically polarized laser beam passes through a polarizing filter whose axis is 33? from horizontal. What is the power of the laser beam
Calculate the deBroglie wavelength of electrons that have been accelerated by 50,000 Volts (Remember the relation between energy and momentum). The answer is 5.486*10^-12 meters, but I'm not sure how to get it.
an object is in front of a spherical mirror; the image of the object is upright and twice the size of the object, and it appear to be 12cm behind the mirror. what is the object distance
A balance beam has two clockwise torques applied, 22N @ 5.5m, and 110N @ 2.4 m. Balance is achieved with a 55N force. How far is that force from the balance point
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