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A 350 N beam of uniform density is hinged on a wall. A 200 N object hangs off the end of the beam at a distance l from the wall. A cable supports the beam by an upward tension of T at a distance of 2 l /3 from the wall and at an angle of 168 degrees by respect to the horizontal (with respect to the positive x axis). (a) Discover the magnitude of the tension T. (b) Discover the force the wall exerts on the beam.
an underwater scuba diver sees the sun at an apparent angle of 47.0deg from the vertical. what is actual direction of
question1a line of charge starts at x x0 and extends to positive infinity. the linear charge density is lambda
Calculate what is the speed of a particle whose kinetic energy is equivalent to one-half its own rest energy
A wheel has eight spokes and a radius of 33.0 . It is mounted on a fixed axle and is spinning at 2.80 . You want to shoot a 38.0 long arrow through the wheel, parallel to this axle, without hitting any of the spokes. Assume that the arrow and the ..
if your body has a density of 967 kg/m^3, What fration of you will be submerged when in salt water? the density of salt water is 1025 kg/m^3
A 2.9-kg block slides with a speed of 1.6m/s on a frictionless horizontal surface until it encounters a spring.(a)if the block compreses the spring 4.8cm before coming to rest,what is the force constant of the spring?(b)What initial speed should the..
a 2.50 muf capacitor is charged by a 12.0- battery. it is disconnected from the battery and then connected to an
You drive north on a highway, then, without changingspeed, you round a curve and drive east. What is the changer of your velocity and your acceleration
the position of a particle moving along the x axis is given in centimeters by x 9.68 1.18 t3 where t is in seconds.
An asteroid orbits the Sun at a constant distance of 4.080e+11 meters. What is the orbital speed of the asteroid
One fires a bullet (m=50g) at a block of wood (m=2kg) resting on a frictionless surface. How much energy is lost
A student sitting on a frictionless rotating stool has rotational inertia 0.92kg?m2 about a vertical axis through her center of mass, Ignoring her arm mass, what's her new rotational velocity
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