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A particular fish tank filled with fresh water (n = 1.33) has a coral reef sticker stuck to an exterior wall (outside of the tank). The tank's walls are 2.5 cm thick, but a goldfish inside the tank sees the sticker 1.6 cm away from the water-wall interface. What is the index of refraction of the tank's walls?
A heavy rope used for as a mooring line for a cruise ship sags a shown. If the mass of the rope is 96 kg, what are the tensions in rope at A and B.
A heat engine operates in a Carnot cycle between 83.0°C and 353°C. It absorbs 21004 J of energy per cycle from the hot reservoir. What is the mechanical power output of this engine
Uranium has two naturally occurring isotopes. U238 (atomic mass 238.0508 u) has a natural abundance of 99.275% and U235 (atomic mass 235.0439 u) has an abundance of 0.720%.
q1. how many 95w light bulbs can you use in a 120v circuit without tripping a 17a circuit breaker? the bulbs are
Two plastic semicircular rods are arranged into a complete circle with radius 8.5cm. The top half has charge of +15 pC, and the bottom half has charge of -15pC. Determine the magnitude and direction of the electric field at the center of the circl..
question a small block of mass m is given and initial speed vo up a ramp inclined at angle theta to the horizontal. it
The of is accompanied by a ray of measured wavelength 2.48×10?2. What is the difference in energy between these two levels
A 100 g cube of ice at 0 degrees C is dropped into 1.3 kg of water that was originally at 82 degrees C. find the final temperature of the water after after the ice melts
On a cool morning, when the temperature is 15deg Celsius, you measure the pressure in your car tires to be 30 psi. After driving 20 mi on the freeway, temperature of your tires is 45 deg Celsius. What pressure will your tire gauge now show.
While landing, the rotor of a helicopter slows from an angular speed of 4500 rpm to rest in 5 seconds. How many revolutions does the rotor travel during this time
The magnitude of the air resistance that opposes its downward motion is 258 N. Explain what is the magnitude of the acceleration of the rock?
A uniform magnetic field points out of the page. The field fully penetrates a wire loop in the plane of the page. what is the averaged induced current
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