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A car is going around a corner with a radius of 68 m. At one instant, its speed is 19 m/s and its speed is increasing at a rate of 3.2 m/s^2.
a) What are the angular speed and the angular acceleration of the car at this instant?
b) What is the total linear acceleration of the car?
c) If the angular acceleration remains constant, what will the radial acceleration be after 1.4 seconds?
A good model for a radio antenna is a dipole. P1 is on the perpendicular bisector of the dipole, and P2 is along the axis of the dipole in the direction of dipole vector ˆp. P1 and P2 are both a distance 100m from the center of the dipole.
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In a mall, a shopper rides up an escalator between floors. At the top of the escalator, the shopper turns right and walks 11.72 m to a store. At what angle is the escalator inclined above the horizontal
The ultracentrifuge is an important tool for separating and analyzing proteins in biological research. If the samples are 11 cm from the axis if the rotor and the ultracentrifuge spins at 6.5×10^4 rpm, what is the magnitude of the net force on the ..
In one of the original Doppler experiments a tuba was played on a moving flat train car at a frequency of 75 hz, What beat frequency was heard if the train car approached the station at a soeed of 10m/s
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A child goes down a playground slide with an acceleration of 1.22. Find out the coefficient of kinetic friction between child and slide if the slide is inclined at an angle of 31.0 below the horizontal.
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A very distant galaxy has an apparent bolometric magnitude of +23.5. Determine the measured flux of photons
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