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The drawing shows a uniform horizontal beam attached to avertical wall by a frictionless hinge and supported from below atan angle θ = 43o by a brace that isattached to a pin. The beam has a weight of 349 N. Three additional forces keep the beam in equilibrium. The brace applies a forceP to the rightend of the beam that is directed upward at the angle with respect to the horizontal. The hinge applies a force to the left end of the beam that has a horizontal component H and a vertical componentV. Find the magnitudes of these three forces.
A hanging iron wire with diameter 0.15 cm is initially 2.4 m long. When a 184 kg mass is hung from it, Find the approximate value of the effective spring stiffness of the interatomic force
A loudspeaker in a parked car is producing sound whose frequency is 20680 Hz, what is the minimum speed of the moving car
A speed skater goes around a turn that has a radius of 27 m. The skater has a speed of 15 m/s, What is the mass of the skater
A bullet of mass 10g and speed 500 m/s is fiered into a door and gets embeded exactly at the centre of the door, Calculate the angular speed of the door just after the bullet embeds into it
An astronaut weighs 185 lb on earth. What is her weight on the moon, where the acceleration due to gravity is 5.28 ft/s2
A stick of uniform density with mass M = 7.8 kg and length L = 0.8 m is pivoted about an axle which is perpendicular to its length and located 0.11 m from one end. Ignore any friction between the stick and the axle. What is its angular speed as it ..
A woman with a package in her hand is riding in a hot air balloon which is climbing at a constant speed of 8.0 m/s. How long does it take for the package to hit the ground
A fox fleeing from a hunter encounters a 0.615 m tall fence and attempts to jump it. By how much does the fox clear the fence
a base for a building column measures 18.0 in. by 18.0 in. on a side and 12 in. high. compute the cross-sectional area
A spherical pot of hot coffee contains 0.75 L of liquid (essentially water) at an initial temperature of 95?C. Calculate the coffee's rate of heat loss by radiation
The pressure gauge on a tank registers the gauge pressure, Determine the mass of oxygen that has been withdrawn from the tank when the pressure reading is 22.4 atm
The weight of the block on the table is 484 N and that of the hanging block is 165 N. Ignore all frictional effects, and assuming the pulley to be massless. Find the acceleration of the two blocks
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