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The drawing shows a crystalline quartz slab with a rectangular cross section. A ray of light strikes the slab at an incident angle ofθ1= 38°, enters the quartz, and travels to point P. This slab is surrounded by a fluid with a refractive indexn. What is the maximum value of n such that total internal reflection occurs at point P? (nquartz= 1.544)
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water is moving with a speed of 2.3 ms through a perfectly sealed long pipe with a cross sectional area of 5 cm2. the
a 3.3t magnetic field makes a 45 degree angle with a square loop 32cm on a side. whats the magnetic flux through the
The electric field midway between two equal but opposite point charges is 832 , and the distance between the charges is 11.6. evaluate the magnitude of the charge on each
A uniform rod of length L1 = 1.9 m and mass M = 3.0 kg is supported by a hinge at one end and is free to rotate in the vertical plane. The rod is released from rest in the position shown. A particle of mass m is supported by a thin string of lengt..
calculate the force of gravity between the earth and the moon. moons mass=7.4x10^22 kg ; average earth moon distance =3.8x10^8 m. Express your answer to two significant figures and include appropriate units. F=G((m1m2)/d^2)
Kids at a swimming hole swing over the water on a tire swing (essentially a simple pendulum) and then drop in the water. How long will it take the empty tire to return for the next kid
A parallel plate capacitor with plates of area 620 cm.^2 is charged to a potential difference V and is then disconnected from the voltage source. When the plates are moved 0.3 cm. farther apart, the voltage between the plates is increased by 117 V. W..
A car moving at 8 m/s crashes into a barrier and stops in 0.050 s. There is a 17-kg child in the car. What is the impulse needed to stop the child
A standard nuclear power plant generates 2.4GW of thermal power from the fission of 235U. Experiments show that, on average, 0.19 u of mass is lost in each fission of a 235U nucleus. How many kilograms of 235U undergo fission each year in this powe..
A flight attendant pulls her 70.0 N flights bag a distance of251 m along a level airport floor at a constant speed. The force she exerts is 31.0 N at an angle of 52.0° above the horizontal. Discover the work she does on the flight bag. Discover the w..
an astronauts pack weighs 12.1nwhen she is on earth but only 3.60 n when she is at the surface of an asteroid.1. what
A 3.5kg block moving at 2.0 m/s toward the west on a frictionless surface has an elastic head-on collision with a second 1.1kg block traveling east at 3.0 m/s. Decide the kinetic energy of the first block after the collision. Decide the kinetic energ..
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