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in one of Michelson 's experiments, the distance between the two stations is 36.9 km. the octagonal mirror has to be rotated at the rate of 500 rev/sec for getting the null position . if the distance between two stations is reduced by 350 metre , find the speed of mirror which will again give no shift position .
A particle by a charge of -60.0 nC is placed at the center of anon conducting spherical shell of inner radius 20.0 cm and outer radius 27.0 cm. The spherical shell carries charge by a uniform density of -2.95 µC/m3. A proton moves in a circular orbit..
A 23.0-kg child on a 3.00-m-long swing is released from rest when the ropes of the swing make an angle of 33.0° with the vertical, find the child's speed at the lowest position
A block of wood 10cm by 10cm by 40cm with mass 3.2kg and uniformdensity stands on its end on level ground. In the following, assume that static friction with the ground is large enough that if I push on the block, it does notslide.
Find the coefficient of friction between ax and grindstone.Two negative point charges are separated by 20 rm cm and feel a mutual repulsive force of 3.35 mu N. The charge of one is three times that of the other. How much charge does each have.
A closed loop of wire is given the shape of a circle with a radius of 0.483 m. find the magnitude of the average induced emf in the wire during this time
problem 1. my son jumps on his stomp rocket and it takes off with an initial speed of 9.8 ms starting from the
Unpolarized light passes through two polarizers in turn with polarization axes at 41° to one another. What is the fraction of the incident light
A simple ppendulum of length 2.5m makes 5.0 complete swings in 16s.What is the acceleration of gravity at the location of the pendulum
A weight of 45.0 N is suspended from a spring that has a force constant of 220 N/m. Determine the maximum value of the driving force
An infinitely long cylindrical non-conductor is uniformly charged with a volume density of 6 C/m3. The cylinder has a radius of 8 cm. Calculate the electric field at a distance of 1 m from the axis of the cylinder
A 300 hp car engine can deliver that maximum power at 6000 rpm. What is the engine's torque at that speed
The electric field in a region of space has the components Ey = Ez = 0 and Ex = (5.90 N/(C·m))x. Point A is on the y axis at y = 4.30 m, What is the potential difference (in V) VB - VA
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