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A beam of red light of wavelength 700nm shines on a pair of narrow slits of separation 176um. The light falls on a screen 0.8 m away from the slits. calculate the separation between bright and dark bands on the screen.
A lens for a 35-mm camera has a focal length given by f= 49mm. A How close to the film should the lens be placed to form a sharp image of an object that is 5.3mm away?
A region of space contains a uniform electric field oriented along the y-axis. How is the plane of second frame oriented with respect to the plane of the first one
Consider a thin rod of mass 3.7 kg, length 1.8m and uniform density. The rod is pivoted at one end on a frictionless horizontal pin
You are pushing a refrigerator across the floor of your kitchen. You exert a horizontal force of 273 N for 7.2 s, What is the work done by friction
The work needed to remove an electron from the surface of sodium is 2.3eV. Find the maximum wavelength of light
A cube of ice is taken from the freezer at -9.2°C and placed in a 98 g aluminum calorimeter filled with 299 g of water at room temperature of 20°C. What was the mass of the ice cube
A spool whose inner core has a radius of 1.00 cm and whose end caps have a radius of 1.50 cm has a string tightly wound around the inner core. what is the speed of the spools ground-touching point
Two capacitors, C 1 = 20.0 µF and C 2 = 38.0 µF, are connected in series, and a 18.0 V battery is connected across them.- total energy stored ? Find the energy stored in each individual capacitor- energy stored in C1 ?
Calculate the speed of a proton with a kinetic energy of 1.48 eV, Find the speed of an electron that has a kinetic energy of 1.48 eV. 1 eV = 1.602 × 10^?19 J
The Hall voltage across a conductor in a 44mTmagnetic field is 1.9?V. What is the strength of the second field
A fish swimming in a horizontal plane has a velocity vi = (3.3i + 1.6j) m/s at a point in the ocean where the position relitive to a certian rock is ri = (10.5i - 3.9j) m. After the fish swims with a constant acceleration for 20.6 s, it's velocity..
A magician pulls a tablecloth from under a 200 g mug located 30.0 cm from the edge of the cloth. The cloth exerts a friction force of 0.100 N on the mug, and the cloth is pulled with a constant acceleration of 2.90 m/s2
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