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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 48 inch waist. If a force gauge placed halfway down the rope reads out a constant 662.0 lbs while Magnus pulls the bus a distance of 77.0 inches, how much work does the tension force do on Magnus? The rope is perfectly horizontal during the pull. Express your answer in both foot-pounds (ft-lb) and Newton-meters (N·m).
at time t = 0 s, a puck is sliding on a horizontal table with a velocity 3.60 m/s, 35.0* above the + axis. What is the velocity of the puck at time t = 1.50 s
Get the expression for how moving clocks run slowly when seen by observers at rest.
At the end of the trip she measures the pressure to be 3 105 Pa. Ignoring the expansion of the tires, find out the air temperature inside the tires at the end of the trip.
An object with mass m1 = 2 kg traveling east at v1i = 2.8 m/s strikes an object with mass m2 = 3 kg traveling at v2i = 2 m/s in a direction q = 118° counterclockwise from the east. After the collision, the first object rebounds at v1f = 2.8 m/s in..
Suppose a news report stated that starship Enterprise had just returned from a 5 year voyage while traveling at 0.81c. how much time elapsed on the ship
A 2kg piece of ice @ 0C (273K) is placed in 27C (300k) body of water. Latent heat of fusion is 334kJ/kg. What is the work done by the ice
Light of wavelength 5.30 102 nm passes through a slit of width 0.210 mm. Determine the width of the first-order bright fringe
A positively charged oil drop of mass is injected into a region of uniform electric field between two oppositely charged, what is the magnitude of the charge on the drop
A ‘U' shaped pipe contains a liquid that is sealed at both ends by pistons. Determine the downward force
A 62-kg astronaut is in space, far from any objects that would exert a significant gravitational force on him. How fast is the astronaut moving after he throws the mallet
q1. a gun shoots bullets that leave the muzzle with a speed of 326 ms. if a bullet is to hit a target 172 m away at the
A partially evacuated airtight container has a tight-fitting lid of surface area 75.4 cm2 and negligible mass. If the force required to remove the lid is 384 N and the atmospheric pressure is 1.00 × 105 Pa, what is the air pressure in the containe..
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