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If you are approaching a stationary source of EM waves which produces a frequency of 5.2 x 106 Hz and you're moving at speed of 0.24 c (in a vacuum), what frequency does the observer detect in 106 Hz?
A baseball is hit at 30.0 m/s at an angle of 53.00 above the horizontal. What was the original distance between the outfielder and the batter
A person travels by car from one city to another with different constant speeds between pairs of cities. Determine the average speed for the trip
When you drop a rock into a well you hear the splash 1.0 seconds later. How deep is the well
A boy stands on a bridge 13.7 m above the water, and he drops a water balloon on a boat of unsuspecting tourists. How far away from the base of the bridge was the boat when the boy released the balloon
You are boiling water in an alumunum pot. The radius of the bottom of the pot is 10 cm and the aluminum is 3 mm thick. What is the temperature of the outer surface of the aluminum pot
An electron with kinetic energy 1.36 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 24.0 cm. Find the frequency of circling
Particle track detectors are used to measure the speed of particles if the lifetime of the particle is known. Particle X has a lifetime of 256.2 ps. What is the average speed of the particles in terms of the speed of light
The maximum speed of a 3.1 kilogram particle attached to a spring is 068 m/s, and the maximum force exerted on the particle is 11 N. Find what is the frequency of the system
A bus traveling on a highway at the speed of 35 m/s, blows a horn with a frequency of 1200 Hz. What frequency is heard by a passenger in a car which is approaching the bus from the opposite direction at 45 m/s. (Assume the speed of sound in air i..
A 200g block on a 50.0cm long string swings in a circle on a frictionless table at V1=45.0m/s comes to rest in 68.0s. Determine is the tangential acceleration? What is the magnitude of the tangential force?
You swing a 2.60 stone in a circle, using the full length of a thin 80.0 rope. At what speed should you swing it so its acceleration will be 9.8
Consider a heat engine that operates between thermal reservoirs at 510 K and 242 K. Suppose the engine does 4900 J of work while it expels 103 J of energy to the cold reservoir. Is this engine possible in the real world? Hint: Violations of the secon..
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