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A plane is headed east with an air speed of 272.0 m/s. The wind blows southeast at 38.0 m/s. Find the velocity of the plane relative to the earth.
Assume that light of a single color, rather than white light, passes through two slits 0.50 mm apart, determine the light's wavelength
An image of a biological sample is to have a resolution of 5 nm. (i) What is the kinetic energy of a beam of electrons with a de Broglie wavelength of 5.0nm.
A rocket with an initial mass of 1 000 kg adjusts its thrust by varying the rate at which mass is ejected. at what rate is mass being ejected at that instant
A string is stretched between fixed supports separated by 75.0 cm. It is observed to have resonant frequencies of 288.0 and 384.0 Hz, What is the lowest resonant frequency for this string
The frequency doubled output of a Nd3+ YAG laser has a wavelength of 532nm. how many photons does the laser emit at 532nm in 3 minutes
A 57.0kg cheerleader uses an oil-filled hydraulic lift to hold four 130kg football players at a height of 1.40m, what is the diameter of the football players' piston
A 0.500-kg mass on a spring has velocity as a function of timegiven by vx(t) = (3.60cm/s) sin[(4.71s-1)t -?/2]. What is the force constant of the spring
Sam is a 60 kg diver. At the instant of take-off, his angular momentum about his medial-lateral axis is 20 kg x m^2/s, At take-off what is Sam's angular velocity about the medial-lateral axis
Calculate the velocity of the object for an elapsed time.
A stunt pilot performs a circular dive of radius 715m. At the bottom of the dive pilot has a speed of 265 m/s which at that instant is increasing at a rate of 15 m/s2(along the direction of vector B) What total acceleration does the pilot have at ..
The 40 kg man in the roller coaster car is sitting on a bathroom scale. If he is travelling at 35.3 m/s at the point shown and the radius of vertical coaster track is 53 meters, to the nearest newton what does the scale read?
A bartender slides a beer mug at 1.30 m/s towards a customer at the end of a frictionless bar that is 2.0m tall. The customer makes a grab for the mug and misses, and the mug sails off the end of the bar.
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