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A wildlife researcher is tracking a flock of geese. The geese fly 4.5 km due west, then turn toward the north by 45 degrees and fly another 3.5 km. How far west are they of their initial position? What is the magnitude of their displacement?
A thin layer of a transparent material with an index of refraction of 1.10 is used as a non-reflective coating on the surface of glass with an index of refraction of 1.50. The minimum thickness allowed by the manufacturing process is 175 nm.
A 0.95 kg air-track glider is attached to each end of the track by two coil springs. It takes a horizontal force of 0.500 N to displace the glider to a new equilibrium position, x= 0.130 m.
A positively-charged object with a mass of 0.177 kg oscillates atthe end of a spring, generating ELF (extremely low frequency) radiowaves that have a wavelength of 5.86 x 107 m. Thefrequency of these radio waves is the same as the frequency atwhic..
draw the cycloid curves for two turns with the following data.i. cycloid with rolling circle radius 20 mm.ii.
A 10.0-kW laser with a beam area of 10.0 cm2 is incident normally on a mirror. Assuming perfect reflection, what is the force due to radiation pressure on the mirror
The quartz crystal in a digital watch has a frequency of 32.8 kHz. What is its period of oscillation?
A fictional spaceship accelerates at a constant rate of 0.107 m/s2. What would be its final velocity
What is Imax, the magnitude of the maximum value of the current in the circuit? What is φ, the phase angle between the generator voltage and the current in this circuit.
The two surfaces of a plastic converging lens have equal radii of curvature of 22.5cm , and the lens has a focal length of 21.0cm .Calculate the index of refraction of the plastic.
a photo of a swing ride at an amusement park. The structure consists of a horizontal, rotating, circular platform of diameter D from which seats of mass m are suspended at the end of massless chains of length d. What is the speed of each seat
A plastic cylinder of length 38 cm its ends ground to convex (from the rod outward) spherical surfaces, each having radius of curvature 19 cm, How far will the image of the object lie from the right end
A perfectly inelastic collision (both cars stick together after the collision) occurs between a 2000kg car moving at 7m/s, What is the velocity of the cars immediately after impact
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