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In the illustration above, two glass plates have a very slight angle between them because a speck of dust props up one edge of the top plate. When illuminated from above with light of wavelength 546 nm, eleven dark interference fringes are observed (counting from zero at the left edge).
a. Find the height of the dust speck.
b. Find the angle (in degrees) between the plates if their diameters are 2.00 cm.
Percy did 1000 joules of work and exerted a power of 2 watts. How many seconds did Percy take to do his work
The water in a tank is at a gauge pressure of 259,145 Pa. If the bottom of the tank that has an area of 0.5 m2
After 803 rev/min is achieved, the motor is disengaged. A friction brake is used to slow the rotational rate to 351 rev/min. Illustrate what is the magnitude of the energy dissipated as heat from the friction brake?
What is the velocity of the plank relative to the surface of ice.
an uncharged 5.0 micro farad capacitor and a resistor are connected in sweries to a 12-v battery and an open switch to
A canoe has a velocity of 0.350m/s southeast relative to the earth. Find the magnitude of the velocity of the canoe
A length of aluminum wire has a resistance of 12.0 Ω at 22.0°C. When the wire is warmed in an oven and reaches thermal equilibrium, evaluate the temperature of the oven
A train normally travels at a uniform speed of 72 km/h on a long stretch of straight, level track. how much time is lost in stopping at the station
A thin circular sheet of glass of diameter 3 meters is rubbed with a cloth on one surface and becomes charged uniformly. find the total excess charge on the surface of the glass disk
During each cycle, a refrigerator ejects 680 kJ of energy to a high-temperature reservoir, and takes in 600 kJ of energy from a low-temperature reservoir. Determine the work done on the refrigerant in each cycle. Determine the coefficient of performa..
A proton having an initial velocity of 16.2i hat Mm/s enters a uniform magnetic field of magnitude 0.260 T with a direction perpendicular to the proton's velocity. Determine the distance the proton traveled in the field
on the apollo 14 mission to the moon astronaut alan shepard hit a golf ball with a golf club improvised from a tool.
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