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A 5.00 m long rigid beam with a mass of 110.0 kg is supported at each end. A 55.0 kg student stands on the beam, 1.40 m from the left support. How much upward force does each support exert on the beam? Be specific by left support and right support.
A particle travels 16 times around a 18-cm radius circle in 37 seconds. What is the average SPEED (in m/s) of the particle
A skier starts down a 35? slope. After a vertical drop of 31m , the slope temporarily levels out and then drops at 18? an additional 39m vertically before leveling out again. What is the skier's speed on the lower level stretch
Light of wavelength 653.0 nm is incident on a narrow slit. The diffraction pattern is viewed on a screen 83.5 cm from the slit. obtain the width of the slit
Two waves with identical frequency but different amplitudes A1= 5.0cm and A2 = 3.0 cm, what is the amplitude of the resulting wave if they interfere constructively
A body of mass 6 kg is acted upon by a force which causes a displacement in it given by x = t2/4 metre where t is the time in seconds
You wish to observe the progress of your vacuum pump in evacuating a tall bell jar for the purpose of demonstrating that sound waves do not travel in a vacuum
total electric charges q are distributed uniformly onver the half spherical shell. Calculate the electric field at the center o of the sphere
A 6.00 bullet is fired horizontally into a 1.30wooden block resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.200. What was the initial speed of the bullet
A 180kg hoop rolls along a horizontal floor so that the hoop's center of mass has a speed of 0.130m/s. How much work must be completed on the hoop to stop it.
A hiker, who weighs 919 N, is strolling through the woods and crosses a small horizontal bridge. What is the magnitude of the force that a concrete support exerts on the bridge at the near end
An object is dropped from rest from a height of 3.9 107 m above the surface of the Earth. If there is no air resistance, what is its speed when it strikes the Earth
A 1000-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam.
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