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While driving at a constant speed of 75 km/h, you are passed by a car traveling at 121 km/h. If the frequency of light emitted by the taillights of the car that passes you is 4.3 multiplied by 1014 Hz, what frequency will you observe? (Express this value to 9 significant digits.)
What is the change in frequency?
a brick is thrown upward from the top of a building at an angle of 25 degrees to the horizontal and with an initial
Suppose a 31.7 kg child sits 1.38 m to the left of center on the same seesaw as the problem you just solved. Find the normal force acting at the pivot point
A geostationary communications satellite orbits the earth directly above the equator at an altitude of 35,800 km. Calculate the time it takes for a signal to travel from a point on the equator to the satellite
A speed ramp at an airport is basically a large conveyor belt on which you can stand and be moved along. What is the speed at which the belt of the ramp is moving
In the figure below, the hanging object has a mass of m1 = 0.480 kg; the sliding block has a mass of m2 = 0.770 kg; and the pulley is a hollow cylinder with a mass of M = 0.350 kg, an inner radius of R1 = 0.020 0 m, and an outer radius of R2 = 0.0..
Three resistors, 27, 49, and 79 , are connected in series, and a 0.55 A current passes through them. What is the potential difference across the three resistors
A diffraction grating with 395 lines/mm is 1.00 m in front of a screen. What is the wavelength of light whose first-order maxima will be 16.9 cm from the central maximum on the screen.
question1a projectile that is fired up from a gun has an initial velocity of 94.0 kmh at an angle of 57.0deg above the
470 cm3 of water at 82°C is mixed with 95 cm3 of water at 8°C. Calculate the final equilibrium temperature, Calculate the final equilibrium temperature assumning no heat loss after mixing occurs
determine a set of non-orthogonal base vectors a j k b i k and c i j.a establish their reciprocal vectors and
A 10-turn circular coil of wire has a di- ameter of 0.45 m. What is the strength of the average emf generated in the coil
For the polarizers in the figure, suppose the incident light is linearly polarized, What is the angle (in degrees) the initial direction of polarization makes with the first polarizer
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