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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.
You propose a new temperature scale with temperatures given in °E. You define 0.0°E to be the normal melting point of ethanol and 255°E to be the normal boiling point of ethanol.
It runs out of fuel at the end of the 4.97 s but does not stop. Explain how high does it rise above the ground?
Although the evidence is weak, there has been concern in recent years over possible health effects from the magnetic fields generated by transmission lines. Estimate the magnetic field strength on the ground
A cylinder 10 m high, with a cross-sectional area of 0.1 m2, has a mass-less piston at the bottom with water at 20 degrees Celsius on top of it. Find the total heat transfer to the air when all of the water has been pushed out
An ocean liner leaves New York City and travels 12.0° north of east for 111 km. How far east and how far north has it gone? In other words, what are magnitudes of the components of the ship's displacement vector in the directions.
A car starts from rest at a stop sign. It accelerates at 4.0 m/s2 for 6 seconds, coasts for 3 s, How far apart are the stop signs
Two ice skaters, with masses of 54 kilogram and 70 kilogram, are at the center of a 50 meter diameter circular rink. find how long does it take lighter skater to reach edge
Two 1.5cm -diameter disks face each other, 2.0mm apar, What launch speed must the proton have to just barely reach the positive disk
A red car and a green car, identical except for the color, move toward each other in adjacent lanes and parallel to an x axis. What is the initial velocity of the green car
Determine the tangetial and centripetal components of the netforce exerted on the car when its speed is 15 m/s. The car's massis 1100 kg
A capacitor is being charged from a battery and through a resistor of 10 kohms. It is observed that the voltage on the capacitor rises to 80% of its maximal value in 4 seconds. Calculate the capacitor's capacitance.
A thin, uniform rod is hinged at its midpoint. To begin with, one half of the rod is bent upward and is perpendicular to the other half. What is the angular velocity of the straight rod
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