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An 810-kg race car can drive aroundan unbanked turn at a maximum speed of 61 m/s without slipping. The turn has a radius of curvature of 175 m. Air flowingover the car's wing exerts a downward-pointing force (calledthe downforce) of 11500 N on the car.
a) What is the coefficient of static friction between the trackand the car's tires?b) What would be the maximum speed if no downforce acted on thecar?
A 3.3-m-diameter merry-go-round with rotational inertia 100kg?m2 is spinning freely at 0.60rev/s. Determine the total energy lost to friction
A jogger travels a route that has two parts. The first is a displacement of 2.00 km due south, and the second involves a displacement that points due east.
Calculate the angular velocity the flywheel must have to contain enough energy to take the bus from rest to a speed of 27.0 m/s, assuming 83.0% of the rotational kinetic energy can be transformed into translational energy
a 1.6 kg block is released from rest and allowed to slide down a frictionless surface and into a spring. the far end of
An electron is accelerated through an electric potential of 123 V, then enters a 29 Gauss magnetic field in a direction at a right angle to the velocity. Find the radius in cm of the subsequent circular path for this electron. Express the answer with..
What is the maximum wavelength seen in each of the Lyman, Balmer, Paschen, and Brackett, and Pfund series for hydrogen? (122, 656, 1880, 4050, 7470 nm)?
A beam of parallel light, 1.50 mm in diameter passes through a lens with a focal length of 13.7 cm. What is the distance between the two lenses
a block of mass m1=8 rests on a frictionless surface and is attached to a light cord that is wrapped around a solid cylinder of mass m2, radius r=.130 m and moment of inertia I=1/2m2R^2.
A rocket is fired at a speed of 82.0 m/s from ground level, at an angle of 31.0 ° above the horizontal. find By how much does the rocket clear the top of the wall
The speed of an ion in a particle accelerator is doubled from 0.400c to 0.800c. Determine the final relativistic momentum of the ion
An infinitely long cylinder of radius R and linear charge densityλ has a potential on its surface of V0 volts. Usethe expression for the electric field of a uniformly charged cylinder to find the potential relative to the surface at a pointthat is di..
A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of 10200 N/C. How many excess electrons or protons reside on the drop
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