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In a particluar x-ray tube, an electron approaches the target moving at 2 108 m/s. It slows down on being deflected by a nucleus of the target, emitting a photon of energy 35 keV. Ignoring the nuclear recoil, but not relativity, compute the final speed of the electron.
A jet with mass m = 50000.0 kg jet accelerates down the runway for takeoff at 1.7 m/s2. What is the net horizontal force on the airplane as it levels off
What is frequency of the string
A gray kangaroo can bound across a flat stretch of ground with each jump carrying it 11 from the takeoff point. If the kangaroo leaves the ground at a 21 angle, what is its takeoff speed
A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from zero to 9.72 m/s in 3.84 s. find the average force experienced by the passenger
A thin layer of ice floats on the surface of water in a bucket. A ray of light from the bottom of the bucket travels upward through the water. What is this angle after the ice melts
The step-down transformer in a local neighborhood reduces the voltage from a 7,200 V line to 120 V. What are the power input and output
A projectile is launched from the top of a cliff above level ground. At launch the projectile is 35 meters above the base of the cliff and has the velocity of 50 meters per second at an angle 37° with horizontal. Air resistance is negligible.
A force, F(vector) =(2xˆ+3yˆ) N, is applied to an object at a point whose position vector with respect to the pivot point is r(vector) =(4xˆ+4yˆ+4zˆ) m
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 11.0 cm, giving it a charge of -13.4 µC. Find the magnitude of the electric field just inside the paint layer
A wire has a length of 6.20 10-2 m and is used to make a circular coil of one turn. obtain the maximum torque that this coil can experience
The isotope 64Cu can decay by EC, beta- and beta + transtions, calculate the average enrgies of emitted beta- and beta +
A box of sand, initially at rest, is to be pulled across a floor by means of a cable in which the tension cannot be allowed to exceed 1100N. What is the weight of the sand and box in that situation
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