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A car moving at 38 m/s passes a highway patrol car moving at 24 m/s . The microwaves produced by the radar gun in the patrol car have a frequency of 8.25x10^9 Hz. What is the magnitude of the difference in frequency between the waves emitted by the gun and those that are reflected back from the speeding SUV?
Compare the Boltzmann distribution, the Bose-Einstein distribution, and the Fermi-Dirac distribution.
Tendons are strong elastic fibers that attach muscles to bones. To a reasonable approximation, they obey Hooke's law. Find the force constant of this tendon in N/m
The diffusion constant for the alcohol ethanol in water is 1.24 10-9 m2/s. A cylinder has a cross-sectional area of 3.85 cm2 and a length of 1.86 cm. what mass of ethanol diffuses through the cylinder
The drill bit of a variable-speed electric drill has a constant angular acceleration of 5.65 rad/s2. The initial angular speed of the bit is 6.56 rad/s. what angle has the bit turned through
As you get ready for your early morning physics class, you comb your hair in front of a planar mirror. How far away from you is your image
A 4.5 kg fish swimming 2 m/s swallows an absent minded 1 kg fish swimming toward it at a velocity that brings both fish to a halt at once after lunch. What is the velocity v of the smaller fish before lunch.
A proposed space station includes living quarters in a circular ring 52.0 m in diameter. At what angular speed should the ring rotate
Diane (weight 255 N) is practicing on a tightrope that is 6.00 meters long and sags by 0.120 meters. find the force on each eyebolt holding the tightrope
when released from rest from this spot, the particle arrives at B with twice the speed it previously had, or 2vB. Find out the potential at B.
a 30kg child wants to use a 20kg board that is 6.0m long as a seesaw. since all her friends are busy, How far from her will the support be
To fit a contact lens to a patient's eye, a keratometer can be usedto measure the curvature of the cornea-the front surface of theeye. Determine the radius of curvature of the cornea
A hockey puck has a mass of 0.113 kg and is at rest. A hockey player makes a shot, exerting a constant force of 28.0 N on the puck for 0.16 s. With what speed does it head toward the goal
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