Coefficient of static friction related problem
A curve of radius 35 m is banked for a design speed of 60 km/h. If the coefficient of static friction is 0.30 (wet pavement), at what range of speeds can a car safely make the curve?
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Is the collision between a ball and pendulum elastic or inelastic? Justify by calculating the kinetic energy of the system before collision using the value of Vx0 found in the experiment and the kinetic energy just after collision using the experi
A 2000 kg car is traveling at 40.0 m/s and then puts on the brakes and comes to a complete stop. The heat generated at the brakes due to stopping heats up the brakes. The mass of the brake system is 20.0 kg and has a specific heat of .200kcal/kgd
A player uses a hockey stick to push a puck at a constant velocity across the ice. The weight of the puck is 1.70 N. The coefficient of friction is 0.0600. With what force must the player push the puck so that his force just equals the frictio
Your new designer chair has an S-shaped tubular metal frame that behaves just like a spring. When your friend, who weighs 600 N, sits on the chair, it bends downward 4 cm. What is the spring constant for this chair?
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A speed skater moving across frictionless ice at 8.9 hits a 5.2 -wide patch of rough ice. She slows steadily, then continues on at 6.4 . what is her acceleration.
The center of a 1.00km diameter spherical pocket of oil is 1.00km beneath the Earth's surface. Estimate by what percentage directly above the pocket of oil would differ from the expected value of g for a uniform Earth? Assume the density of oil i
An example of a unintentional communication?
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