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Magnus has reached the finals of a strength competition. In the first round, he has to pull a city bus as far as he can. One end of a rope is attached to the bus, while the other is tied around Magnus\'s waist. If a force gauge placed halfway down the rope reads out a constant 2277 Newtons while Magnus pulls the bus a distance of 0.889 meters, how much work does the tension force do on Magnus? The rope is perfectly horizontal during the pull.
A motorist drives south at 22 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.40 min, and finally travels northwest at 30 m/s for 1.00 min. For this 6.40 min trip, find out the following values.
Consider the motion of any one of the particles about the system center of mass G and, using G as the origin of the inertial frame, employ Newton's second law to determine the angular velocity u required for d to remain constant.
A 15,000 kg loader traveling east at 20 km/h turns south and travels at 25 km/h. Calculate the change in the loader's
A 22.0 m tall hollow aluminum flagpole is equivalent in strength to a solid cylinder of aluminum 3.50 cm in diameter. How far to the side does the top of the pole flex
A power station with an efficiency of 0.5 generates 10^8W of electric power and dissipates 1.00 x10^8 W of thermal energy to the cooling water that flows through it.
The frequencies of the spectral lines in light from a distant galaxy are found to be two-thirds as great as those of the same lines in light from nearby stars. Find the recession speed of the distant galaxy
A beam of polarized light with an average intensity of 18.9 W/m2 is sent through a polarizer. find the rms value of the electric field of the transmitted beam
White light is spread out into its spectral components by a diffraction grating. At what angle does red light of wavelength 640 nm appear in first order
What do those in the field of chemistry study? Name the five major divisions of chemistry.
"When reading the printout from a laser printer, you are actually looking at an array of tiny dots. If the pupil of your eye is 2.1 mm in diameter when reading a page held 33 cm from your eye, what is the minimum separation of adjacent dots that c..
A yo-yo with a mass of 0.302 kilogram is swung in a vertical circle of radius 0.880 meter. Obtain the tension in the springtide to the yo-yo when it is at the top of the circle
A model rocket is launched vertically upward. The engine provides a constant thrust force of 8 Newton until the rocket reaches an altitude of 100 meter. Find the velocity of the rocket at engine burnout
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