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Suppose the ray, in air with n =1.00, enters a slab with n = 2.34 at a 30.9°angle with respect to the normal, then exits the bottom of the slabinto water, with n = 1.33. At what angle to the normaldoes the ray leave the slab?
A stone is tied to a string (length = 0.950m) and whirled in acircle at the same constant speed in two different ways. First, the circle is horizontal and the string is nearly parallelto the ground. Next, the circle is vertical.
A sled is pulled with a horizontal force of 20 N along a level trail, and the acceleration is found to be 0.35 m/s2. An extra mass m = 4.2 kg is placed on the sled. If the same force is just barely able to keep the sled moving, what is the coeffic..
two electric charges, eagh of+6.00μ C are placed at thecorners of the base of the square of the side s=8.50m. calculate the magnitude of the force on each of the charges
a 1.5 v battery is connected to a 3 ohm light bulb assume resistance remains constant. the battery is rated to be able
An aluminum baseball bat has a length of 0.81 m at a temperature of 20°C. When the temperature of the bat is raised, the bat lengthens by 0.00016 m. Determine the final temperature of the bat.
Originally, light is unpolarized. It then travels through 3 polarizers: the first with its transmission axis aligned vertical, the next at a 30 degree angle to the vertical and the last aligned at a 45 degree angle to the vertical (tilted the same..
Suppose there simple circuit: one battery, one resistor, andone capacitor all connected in series. Does any one specificcharged particle ever make a complete trip around the loop in sucha circuit?
question waves on a stick a flexible stick 2.0 m long is not fixed in any way and is free to vibrate. make clear
A box is sliding with a speed of 4.50 m/s on a horizontal surface when, at point P, it encounters a rough section. What is the coefficient of friction at the stopping point
A 30-kg girl is bouncing on a trampoline. During a certain interval after she leaves the surface of the trampoline, How high does she rise during this interval
A .250 kg ball is dropped from a height of 10.0 cm onto a spring, as illustrated. If the spring has a spring constant of 60.0 N/m , how high will the ball go
A football coach in hopes of improving his kicker's performance fills a football with helium rather than air. what change in relative weight of the football
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