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The figure below shows a 6.4 kg rod of1.00 m in length, hinged to a vertical wall and supported by a thin wire. The wire and rod each make angles of 45° by the vertical. When a 10.0 kg block is suspended from the midpoint of the rod, the tension T in the supporting wire is 57 N. If the wire will break when the tension surpass 72 N, what is the maximum distance from the hinge at which the block can be suspended?
Light from a heliom-neon laser (wavelength 632.8 nm) diffracts when incident on a hair of thickness 0.040 mm. What is the angular width of the central diffraction maximum
An automobile and a truck start from rest atthe same instant, with the automobile initially at some distancebehind the truck. What is the speed of each when they are abreast
A car of mass 2000 kg rounds a circular turn of radius 10 m. If the road is flat and the coefficient of static frictionbetween the tires and the road is 0.8, how much work is done on the car by friction
A 45-kg crate slides to the left initially at a speed of 5.2 m/s. A rope pulls on it with a tension of 240 N in a direction 35 degrees above the horizontal to the right. How much time is required to bring the crate to a stop
The horse on a carousel is 3.7m from the central axis. How fast is a child on the horse going
question a solid sphere is rolling without slipping along a horizontal surface with a speed of 5.50 ms when it starts
The maximum distance from Earth to the Sun (at our aphelion) is 1.521 x 10^11 m and the distance of closest approach (at perihelion) is 1.471 x 10 ^11 m. Assume the Earth's orbital speed at perihelion is 3.027 x 10 ^ 4 m/s. (overlook the effect of th..
A box of mass 0.500 kg hangs from a vertical spring with k =30.0 N/m. The box is at rest at the spring’s equilibrium positionwhen a lump of putty with mass 0.100 kg falls on the box from above and sticksto it. Just before striking the box the putt..
assuming the lower leg and foot together have a combined mass of 4kg and the center of mass is located at the center of the lowerleg. what is the magnitude of the force of the bone on the upper leg on the bone of the lowerleg
suppose we measure the resistance from one hand to the other and find it to be 2 kilo ohms. What is the resistivity of skin
The wave length associated with the cutoff frequency for silver is 325.0 nm. Find the maximum kinetic energy of the electrons
in a womens 100-m race accelerating uniformly laura takes 2.00 s and healan 3.00 s to attain their maximum speeds which
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