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The second order fringe when 800 nm light falls on a double slit is observed at a 12 degree angle to the initial beam direction. how far apart are the slits?
A 3.4 x 105 kg airplane is flying horizontally at a height of 6.0 km with constant velocity. What is the amount of lifting force created by the plane's wings
The positron is a particle with the same masses as an electron however charges +e. a positron in a bubble chamber moves perpendicular to a 4.0 T magnetic field. If the positrons kinetic energy is 25eV what is the radius of its trajectory in a bubble ..
A student weighing 800 N crouches on a scale and suddenly springs vertically upward.His roommate notices that the scale reads 900 N, With what acceleration does he leaves the scale
A circular saw is powered by a motor. When the saw is used to cutwood, the wood exerts a torque of 0.80N · m on the saw blade. If the blade rotateswith a constant angular velocity of 20 rad/s the work done on the blade by the motor in 1.0 min is:
A capacitor is formed from a hollow copper sphere of outer radius 45.4 cm and inner radius 36.3 cm. Compute the capacitance of the sphere in microfarads.
A 10kg box is acked on by forces F1 = 7.4 and F2 = 4.5. What additional horizonal force will keep the box at rest
A boy stands on a diving board and tosses a stone into a swimming pool. how much time elapses between when the stone is thrown and when it strikes the bottom of the pool
A 10 g bullet traveling at 450m/s strikes a 8.0kg , 1.0-m-wide door at the edge opposite the hinge. What is the angular velocity of the door just after impact
a small ferryboat is 4.00 m wide and 6.00 m long. when a loaded truck pulls onto it the boat sinks an additional 4.20
Perhaps to confuse a predator, some tropical beetles are colored byoptical interference that is due to scales whose alignment forms adiffraction grating, What is the grating spacing of the beetle
A cubic meter of some material has a mass of 5200 kg. Find the buoyant force on the block and the tension in the cable
A narrow beam of ultrasonic waves reflects off the liver tumor inthe figure below. If the speed of the wave is 7.5% less in theliver than in the surrounding medium, determine the depth of thetumor.
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