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Assume a light ray hits the surface of the water in a container 39 inches deep at an angle of incidence of 18 degrees. Determine the time taken for the light to hit the bottom of the container. Suppose the light follows a different path with a speed exactly equal to "c," would this ray hit the bottom of the container sooner or later than in case 1?
If you swim from one point at the edge of the pool to another, along a straight line, what is the longest distance you can swim
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the process, What is the tire pressure in pascals
A disk of radius 1.00 m is rotating with 5.39 rad/s and 5.39 rad/s2. What is the magnitude of the linear acceleration of a point on the outer edge of disk? (Give the answer in three significant figures and SI units)
General relativity says that the total orbital energy of the binary system consisting of two neutron stars will decrease over time through the emission of gravitational waves. If this happens slowly sufficient that the orbit stays circular, response ..
Two linear waves have the same amplitude and speed, and otherwise are identical except one has half the wavelength of the other, Which transmits more energy
Two scales on a voltmeter measure voltages up to 21.0 and 30.7 V, respectively. Determine the coil resistance
A proton accelerates from rest in a uniform electric field of 675 N/C. At some later time, its speed is 1.35 106 m/s. (a) Find the magnitude of the acceleration of the proton.
A bullet is fired vertically into a 1.3kg block of wood at rest directly above it. If the bullet has a mass of 29g and a speed of 470m/s, how high will the block rise after bullet becomes embedded in it.
A 115 mCi radioactive tracer is made in a reactor. When delivered to a hospital 16 hours later its activity is 95 mCi. For how long (in hours) is the sample usable
Determine the simple harmonic motion of the spring what ac velocity is ball moving
A 2.0 cm tall object is placed in front of a mirror. A 1.0 cm tall upright image is formed behind the mirror, 150 cm from the object. find Is the image erect or inverted
Two protons, each having a speed of 0.940c in the laboratory, are moving toward each other. find the total momentum of the two protons in the laboratory
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