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A 230 g baseball is pitched at 34 m/s spinning at 41 rad/s . You can treat the baseball as a uniform solid sphere of radius 4.5 cm What fraction of its kinetic energy is rotational?
Two identical spacecraft are to be accelerated by rockets. The first rocket fires with a force 4 times as large as that of the second rocket. The acceleration of the first rocket is how many times as vast as the acceleration of the second rocket.
A bumper car with mass m1 = 129 kg is moving to the right with a velocity of v1 = 4.50 m/s. A second bumper car with mass m2 = 86.0 kg is moving to the left with a velocity of v2 = -3.6 m/s. The two cars have an elastic collision. Suppose the surface..
a what is the speed v of an electron whose kinetic energy is 1.5104 times its rest energy? you can state the difference
what is the Tension in the string, distance of spheres from one another at equilibrium, the charge on each sphere.
A state trooper chases a speeder; along a straight road; both vehicles at 160km/h. The serin on the troopers vehicle produces sound at a frequency. Doppler shift in the frequency heard by the speeder
Anemometers (pictured) are used to measure wind speeds. Wind striking the cups causes the assembly to rotate; a gauge measures the frequency of this rotation and translates the data into wind speed. calculate the number of turns in the coil wire
q1. a 1250 n uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. a w
Explain how much mechanical energy is lost due to friction acting on the runner? How far does he slide?
A 6cm high object is placed 43cm from a converging lens of focal length 24cm. Find the images position and draw ray diagram approx to scale
A Michelson interferometer splits a beam of light of unknown wavelength producing a bright fringe (i.e., all of the intensity) at the detector, What is the wavelength of the unknown light
An electron starts from rest 36.5cm from a fixed point charge with Q = -0.105?C. How fast will the electron be moving when it is very far away
A 3.0-uC point charge is placed in an external uniform electric fieldof 1.6 x 104 N/C. At what distance from the charge is the net electric field zero
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