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Vector A has magnitude of 5.0 at an angle of 60.0 o from the x-axis. Vector B has magnitude of 9.0 at an angle of -20.0 o from the x-axis. Let C=A+B. Let D=A-B. Let V=2*A-B. What is the x-component of vector C? What is the y-component of vector C? What is the x-component of vector D? What is the y-component of vector D? What is the x-component of vector V? What is the y-component of vector V?
A permanent magnet is hung from a string ( balanced ) and pointed in an East - West orientation and released. Describe its motion
derive an expression for the shift in lambda in the peak wavelength of the planck function for a black body temperature
To a person swimming 0.790m beneath the surface of the water in a swimming pool, what is the actual height of the diving board above the surface of the water
An 80.0-m-long brass rod is struck at one end. A person at the other end hears two sounds as a result of two longitudinal waves, What is the time interval between the two sounds
A coil with length of 11 m and a cross section of 2.3 cm is connected in series with a 8.0 k? resistor. what is the energy density inside the coil
A capacitor has parallel plates of area 12cm^2separated by 2.5 mm. The space between the plates is filled with polystyrene (K=2.6,Em=2.0*10^7 V/m). Find the permittivity of polystyrene
A railroad car of mass 2.3 104 kg moving at 5.00 m/s collides and couples with two coupled railroad cars, What is the speed of the three coupled cars after the collision
A body of mass 12kg is moving with a velocity of 1m/s.Calculate the force required to stop it in 10s. how far will it travel before coming to rest
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. What is the apparent weight of a 2000 kg satellite in a geosynchronous orbit
A helium-filled toy balloon has a gauge pressure of 0.400 atm and a volume of 8.0 liters. How much greater is the internal energy of the helium in the balloon
question1though you are sitting on a park bench with your friend you take hold of his hat and start running in a
A pair of slits, separated by 0.170 mm, is illuminated by light having a wavelength of ? = 624 nm. What is the path difference for the two slits at the location y
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