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Late one night on a highway, a car speeds by you and fades into the distance. Under these conditions the pupils of your eyes have diameters of about 7.1 mm. The taillights of this car are separated by a distance of 1.4 m and emit red light (wavelength = 644 nm in vacuum). How far away from you is this car when its taillights appear to merge into a single spot of light because of the effects of diffraction?
A single conservative force F(x) acts on a 3.2 kg particle that moves along an x axis. What is the mechanical energy of the system
A movie camera with a (single) lens of focal length 95 mm takes a picture of a person standing 28 m away. what is the height of the image in millimeters on the film
A particular satellite was placed in a circular orbit about 161 mi above Earth. Determine the orbital speed of the satellite
Two small charges with a mass of 1.0 g each are connected by 2.0-cm-long insulating rod of negligible mass. What is the dipole moment of the rod?
The pilot of an airplane notes that the compass indicates a heading due west. find the velocity of the airplane relative to the ground
Explain the forces an observer on the turntable would measure on the cannonballs after they leave the cannon. (Include a diagram showing clearly the direction of the forces) measure up to to the forces an observer who is not on the platform would ..
A two-ended "rocket" that is at first stationary on a frictionless floor, with its center an origin of an x axis.
a laser beam is aimed at a 1.0 cm thick sheet of glass at an angle 30^{\circ} above the surface of the glass. What is the laser beam's direction of travel in the glass
A motorist drives south at 22 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.40 min, and finally travels northwest at 30 m/s for 1.00 min. For this 6.40 min trip, find out the following values.
A sinusoidal voltage ?v = (65 V) sin (140t) is applied to a series RLC circuit with L = 50 mH, C = 150 ?F, and R = 42 ?.
Two sinusoidal waves of the same period, with amplitudes of 4.0 and 6.0 mm, travel in the same direction along a stretched string; they produce a resultant wave with an amplitude of 9.225 mm. The phase constant of the 4.0 mm wave is 0. What is the..
The index of refraction for violet light in plastic is greater than that for red light by 0.0410. Delaying any rounding off of calculations until the very end, find the index of refraction for violet light in plastic.
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