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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 1.610 × 103 Newtons while Magnus pulls the bus a distance of 0.711 meters, how much work does the tension force do on Magnus? The rope is perfectly horizontal during the pull.
A laser pulse has an energy of 19 J and a beam radius of 2 mm. The pulse duration is 9 ns and the energy density is constant within the pulse. What is the total energy density within the pulse
A kicker punts a football from the very center of the field to the sideline 36 yards downfield. What is the direction of the net displacement of the ball
A house is 30.0 ft long and 32 ft wide, and has 8.0 ft high ceilings. What is the volume of the interior of the house
a young lady runs for 20 minutes and gives off 128 kcal of heat by evaporation of water from her skin. how much water
Suppose light with wavelength 7.80 102 nm is used instead and the diffraction grating has 3.35 103 lines per centimeter. Find the angles of all principal maxima
consider an electrostatic generating machine that charges an isolated conducting sphere to 19.9 kv relative to a ground
Chef at the infamous Fattening Tower of Pizza tosses the spinning disk of uncooked pizza dough into the air. The disk's diameter increases during the flight, whereas its rotational speed.
The following objects are released simultaneously from rest at the top of a 1.50m long ramp inclined at 3.50? to the horizontal: Which wins the race
an electron in an oscilloscope tube is traveling horizontally with a speed of 4.4times106ms . it passes through a 1.9cm
Two rods, one made of brass and the other made of copper, are joined end to end. The length of the brass section is 0.290m and the length of the copper section is 0.710m . Each segment has cross-sectional area 6.30×10?3m^2 .
A particle with radius r=5i+4k+3k has a force of F=3i-8j+5k acting on it. What is the torque in unit vector notation about the origin
question1a cylindrical distribution of charge rho alphasprtr where alpha 2 microcm52 extends from 0 cm to 9.6 cm .
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