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A spaceship is approaching a space station at a speed of 2.0 105 m/s. The space station has a beacon that emits green light with a frequency of 5.93 1014 Hz.
What is the frequency of the beacon observed on the spaceship? (Express your answer to five significant figures.)
Hz
What is the change in this frequency?
A 2,284-kg car is moving down a road with a slope (grade) of 13% at a constant speed of 11 m/s. What is the direction and magnitude of the frictional force
A ball of mass M and radius R starts from rest at a height of h = 1.73 m and rolls down a ? = 25.8° slope, What is the linear speed of the ball when it leaves the incline
A motorcycle has a constant speed of 24.0 m/s as it passes over the top of a hill whose radius of curvature is 131 m. The mass of the motorcycle and driver is 348 kg.
A Gaussian surface has thirty field lines leaving it when it surrounds a point charge of +10.0 and fifty-five field lines entering it when it surrounds an unknown point charge
Suppose that you find the volume of all the oceans to be 1.4\times10^9\; \rm km^3 in a reference book. What is this volume in cubic meters
given a sargent ideal gas cycle. All process ar quasi-static, and the heat capacities are constant. Prove that the thermal efficiency of an engine performing a cycle
An electron moves in the positive x-direction a distance of 2.38 m in 2.95 x10-8 s, bounces off a moving proton, and then moves in the opposite direction a distance of 1.63m in 3.53x 10-8 s.
question1a uniform meter stick with a mass of 250g is maintained horizontally by two vertical strings one at 0.0-cm
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 26.7 m/s. Find the airplane\'s acceleration
A 2.78-kg steel ball strikes a massive wall at 10.0 m/s at an angle of ? = 60.0° with the plane of the wall, what is the average force exerted by the wall on the ball
A non-uniform flask consists of a lower portion that is a circular cylinder 20 cm in radius and 20 cm high. The upper portion is also a circular cylinder, which is 2 cm in radius and 40 cm high.
questionwhile the movie back to the future ii came out everyone wanted a hover-board. you decide to use your
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