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A 65 kg person sits 0.5 m from the edge of a 2 m long beam that extends fom a building. A steel cable with radius 0.5 mm is attached to the beam at its end at angle of 40 degrees. The beam has mass of 150 kg.
Calculate the tension in the cable and how much the tension causes the cable to stretch.
The electric potential is given by (50 V/m7)(xz6 + x3y4) in the region of space that includes the point (x,y,z) = (-2,7,-3) m
What is the magnitude of the electrostatic force the molecule exerts on it?
Two slits are separated by .1 mm. Planar light incident on them produces a diffraction pattern on a board 1.35 m away, estimate the wavelength of light
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..
A bicyclist rides 4.9 km due east, while the resistive force from the air has a magnitude of 3.4 N and points due west. Find the work done by the resistive force
A railroad car of mass 2.00 x 10^4 kg moving at 3.00 m/s collides, What is the speed of the three coupled cars after the collision
What least number of grooves is required for a grating
A hotel elevator ascends 170m with a maximum speed of 4.4m/s. Its acceleration and deceleration both have a magnitude of 1m/s2.
What is the coefficient of kinetic friction between sled and incline? (Enter 0 if sled does not move.)
Calculate the buoyant force of water on a completely submerged sample volume of 3.4 meter^3.
A wheel is spinning clockwise at a 10 revolutions per second at t = 0. Due to friction in the bearings supporting the axle, the wheel slows down, losing 0.500 revolutions per second in angular velocity each second, until it comes to rest.
Find out the maximum height that the rocket reaches (neglecting air resistance) when the fuel is exhausted.
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