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A boy is riding a bicycle. Radius of the wheel is .26m and a constant angular velocity of the wheel is .373 rev/sec.
Determine the boys velocity.
Determine the linear velocity of a point on the top of the tire.
Determine the linear velocity of a point on the bottom of the tire in contact with the ground.
An eagle (mA = 4.3 kg) moving with speed vA = 7.8 m/s is on a collision course with a second eagle (mB = 5.6 kg) moving at vB = 10.2 m/s in a direction perpendicular to the first
Determine the force required to push a 1000kg stoneblock up the side of the pyramid along a ramp. The ramp has anangle of 40 degrees and a coefficient of friction of 0.1 (thisrepresents a relatively slippery surface because you sprinkled lots of ..
A monochromatic light i incident on a single slit of width of 0.1 mm, and a diffraction pattern is formed at a screen which is 0.7 m away from the slit. The second order bright fringe is at a distance 2 mm from the center of the central maximum.
A three level laser has energy levels E 1=1.50 eV, E 2=2.50 eV, and E 3=3.50 eV. Level E 2 is the metastable state. What is the lasing wavelength
A 1.6-cm-tall object is 30cm to the left of a lens with a focal length of 15cm . A second lens with a focal length of 42cm is 58cm to the right of the first lens, Calculate the image height
A girl whirls a stone attached to a string 1.0m long in a circle with uniform speed. calculate the force provided by the rope to maintain the circular motion of the stone if the mass of the stone is 30.0g
when a person visits the local tanning salon they absorb photons of ultraviolet light uv to get the desired tan. what
Consider a fusion reaction in which a proton fuses with a neutronto form a deuterium nucleus. How much energy (in MeV) is released in this reaction
At a factory, a noon whistle is sounding with a frequency of 480-Hz. As a car travelling at 79 km/h approaches the factory, the driver hears the whistle at frequency fi. After driving past the factory.
A ball is dropped from rest at the top of a 480 meter tall building. What is the total time that the ball takes to reach the ground
A beam of light is incident from air on the surface of a liquid. If the angle of incidence is 28.5° and the angle of refraction is 16.6°, find the critical angle for the liquid
The wave function y(x, t) for a certain standing wave on a string fixed at both ends is given by y(x, t) = (0.05 m) sin (1.8 m-1x) cos (400 s-1t). What is the shortest possible length of the string
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