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A steel wire of length 1.98m with circular cross section must stretch no more than 0.220cm when a tensile (stretching) force of 360N is applied to each end of the wire. What minimum diameter d is required for the wire?
A 200.0-kg object is attached via an ideal pulley system to paddle wheels that are submerged in 0.480 kg of glycerin at 20.0 °C in an insulated container as shown. determine the final temperature of the glycerin
You shine violet light through a diffraction grating (200 lines/cm) on a screen 2.0 m from the grating. The width of the light beam is 0.15 mm. How many slits will the light pass through
An electron is accelerated through an electric potential of 255 V, Find the radius in cm of the subsequent circular path for this electron
A man walks at 3 m/s on a still day along the line between two fire stations. Find the apparent frequency of each whistle
A fuel pump sends gasoline from a car's fuel tank to the engine at a rate of 6.74x10-2 kg/s. find the speed at which gasoline moves through the fuel line
A thin rectangular plate of uniform area density ?1 = 1.14 kg/m2 has a length a = 0.540 m and a width b = 0.230 m. find the distance from the origin of the resulting plate's center of mass
icyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram generated by Lance Armstrong (m = 75.0 kg) is 6.50 W per kilogram of his body mass.
Illustrate what average power must the winch supply in order to accelerate a 174-kg ultra-light glider from rest to 23.0 m/s over a horizontal distance of 50.0 m? Assume that friction and air resistance are negligible, and that the tension in the ..
A 4.77-kg ball of clay is thrown downward from a height of 3.31 m with a speed of 4.81 m/s onto a spring with k = 1690 N/m. Find the maximum compression of the spring
find frequencies of vibration of the piano wire. Car 1 has 3 times the mass of car 2, but only 0.5 as much kinetic energy. What is the ratio between the speeds of the two cars (v1/v2)? You must type your answer as a numerical value.
What's the moxt orbital angular momentum that could be added to an atomic electron initially in the 6d state, What would be the new state
Determine the greatest vertical displacement of the pendulum (height). The mass lost by the rocket during these 30.0 is negligible. What impulse does an engine impart to the rocket?
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