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There is a mass on top of a table, defined as m2. The μk between the m2and the table is 0.2. m2 is connected via pulley to m1 and m3. What is the acceleration of the entire system.
Jane and John, with masses if 50 kg and 60 kg, respectively,stand on a frictionless surface 10 m apart. At what rate will John accelerate
A Ferris wheel, rotating initially at an angular speed of 0.50 rad/s, accelerates over a 6.0-s interval at a rate of 0.040 rad/s2. What is its angular speed after this 6-s interval
two forces are applied to a tree stump to pull it out of the ground. force fa has a magnitude of 2240 newtons and
a flat metal washer is heated. as the washers temperature increases what happens to the hole in the center? a flat
a disoriented physics professor drives 3.33 north then 4.69 west and then 1.61 south.1-use components to find the
a step-down transformer is designed to reduce 120v to 7v. if its primary coil has 1000 turns how many turns for the
Sinusoidal waves 5.00 cm in amplitude are to be transmitted along a string that has a linear mass density of 4.00 multiplied by 10-2 kg/m. find the highest frequency at which the source can operate
Suppose a muon produced as a result of a cosmic ray colliding with a nucleus in the upper atmosphere has a velocity v = 0.9500c. What distance is this in the muon's frame
An X-ray photon with a wavelength of 0.69 nm scatters off an electron at 123 degrees. What is the wavelength of the scattered X-ray in nm to 4 decimal places
A light wave is in normal incidence on a diamond crystal, (a) What is the reflectivity? (b) What is the ratio of the electric field in the reflected wave to that in the incident wave? (c) What percentage of the intensity of the incident wave is trans..
A light ray is incident from air onto the surface of a very quiet lake. what is the index of refraction of the water
Suppose you have an electric hot water heater for your house which is an aluminum cylinder which has a 0.46 m radius and is 2 m high. How much energy is lost through the walls of the hot water heater
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