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A photon of wavelength 0.45000nm strikes a free electron that is initially at rest. The photon is scattered straight backward. What is the speed of the recoil electron after the collision.
A 43.0-kg child swings in a swing supported by two chains, each 2.92 m long. The tension in each chain at the lowest point is 346 N. Find the child's speed at the lowest point
The wave reflects from the speeder's car and returns to the police car, where its frequency is measured to be 280 Hz less than the emitted frequency. Find out the speeder's speed with respect to the ground.
What is swimmer velocity relative to the bank
Suppose you are driving in the High Sierras from Mammoth Mountain to the Owens Valley 2038 m below. what would be your approximate final speed
An ocean liner leaves New York City and travels 18.0° north of east for 232 km. How far east and how far north has it gone? In other words, what are the magnitudes of components of the ship's displacement vector in the following directions.
It was a rainy day and the coefficient of friction was estimated to be 0.42. Use these data to determine the speed of the car while the driver slammed on (and locked) the brakes.
how to estimate the initial temperature of the hot horseshoe.
A 0.180 kg baseball, travelling 32.0 m/s, strikes catcher's mitt that recoils 13.0 cm in bringing the ball to rest. What was an average force (in newtons) applied by the ball to the mitt.
A person weighing 700N on a wire. find the tension force in the two segments of the wire. left wire 20 degrees and right wire 40 degrees.
An insulating rod of length 14.0 cm is bent into the shape of a semicircle and has a uniform total charge of -7.5 uC, Calculate the magnitude and direction of the electric field at the center of the semicircle arc
During the late 19th and early 20th centuries, direct observations showed that a glacier in Switzerland flowed forward in the downhill direction while its snout (terminus) was retreating higher up the valley? Which of the following describes these..
A water wave passing a point causes a cork to bob up and down through a total distance of 1 m, completing one cycle every 1.5 sec
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