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Q. A diver of weight 520 N stands at the end of a diving board of length L = 4 m and negligible mass. The board is fixed to two pedestals separated by distance d = 1.5 m. A) What are the magnitude and direction of the force on the board from the left pedestal? (Include the sign. Take upward to be positive.) B)What are the magnitude and direction of the force on the board from the right pedestal? (Include the sign. Take upward to be positive.)
Q. A light spring of spring constant k = 160 N/m rests vertically on the bottom of a large beaker of water. A 5.00x10^-3 kg block of wood (density D = 650 kg/m3) is connected to the spring, and the block ?spring system is allowed to come to a static equilibrium. How much does the spring stretch?
Two diffraction patterns are formed on the screen. What is the distance between the common center of the diffraction patterns and the first occurrence of the spot where the dark fringe from one pattern falls on top of a dark fringe from the other p..
A 7 g bullet collides horizonally with a 43 g block resting on a frictionless horizontal surface as shown in the accompany diagram. The bullet remain embedded in the block and subsequently causes the block to slide down a frictionless slope onto a..
The aim is to find the woman's position when thebeam begins to tip.
Elucidate the spacing between peaks
so hydrogen atoms have a thermal velocity of about 1000 m/s. How does the energy stored in the magnetic field compare with the kinetic energy in a given volume of space.
A straight, stiff wire of length 1.00 m and mass 21g is suspended in a magnetic field B = 0.58T. The wire is connected to an emf. How much current must flow in the wire and in what direction so that the wire is suspended and the tension in the sup..
Find the resulting angular speed of the disk (in rad/s) and describe the direction of rotation.
Due to the nature of the wastewater, the engineer wants to target the high end of this range. Find the proper diameter pipe to the nearest 2” (e.g., 2”, 4”, 6”, 8”, 10”, etc.) to achieve this design objective.
A 2.0-C charge moves with a velocity of (2.0i + 4.0j + 6.0k) m/s and experiences a magnetic force of (4.0i - 20j + 12k) N. The x component of the magnetic field is equal to zero. Find out the y component of the magnetic field.
Block 1, of mass = 0.500 , is connected over an ideal (massless and frictionless) pulley to block 2, of mass , as shown. Assume that the blocks accelerate as shown with an acceleration of magnitude = 0.300 and that the coefficient of kinetic frict..
In a television picture tube, electrons strike the screen after being accelerated from rest throughout a potential difference of 28000 V.
Two particles are fixed on an x axis. Particle 1 of charge 51.50 μC is located at x = -33.2 cm; particle 2 of charge Q is located at x = 10.10 cm. Particle 3 of charge magnitude 37.7 μC is released from rest on the y axis at y = 11.30 cm.
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