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A spring with constant k = 78 N/m is at the base of a frictionless, 30.0o inclined plane. A 0.50 kilogram block is pressed against the spring, compressing it 0.20 meter from its equilibrium position. The block is then released. If the block is not attached to the spring, calculate how far up the incline will it travel before it stops?
A highway curve with radius 950{\rm ft} is to be banked so that a car traveling 48.0{\rm mph} will not skid sideways even in the absence of friction. At what angle should the curve be banked?
A real heat engine working between heat reservoirs at 970. K and 650. K produces 550. J of work per cycle for heat input of 2200. J. Calculate the total entropy change of the universe
The flywheel in a car is a solid cylinder with a mass of85 kg, a radius of 12 cm, and a length of 5.0 cm. What is the kinetic energy of the cylinder
A hollow sphere is rolling along a horizontal floor at 5.00 when it comes to a 39.0 incline. How far up the incline does it roll before reversing direction
A commuter airplane starts from an airport and takes the routeshown in fig. p3.13. the plane first flies to city A, located 275km away in a direction 30.0 degrees north of east. Next it fliesfor 170.0 km in a direction of 20.0 degrees west of nort..
A large air conditioner has a resistance of 8.0?and an inductive reactance of 14. Find the average power consumed by the air conditioner
While in Europe, a tourist hears on the radio that the temperature that day will reach a high of 18 C. What is this temperature on the Fahrenheit scale?
A box of mass 15 kg is dragged by a 50 N horizontal force a distance of 10 m over a rough surface with the coefficient of friction = 0.14 the work done by friction force.
A string of mass 2 g and length of 1.0 m has a tension of 15 Npulling it. What is the speed of a wave for this setup
A 0.85-cm-diameter microscope objective has a focal length of 2.2 mm. It is used in visible light with a wavelength of 538 nm. What is the objective's resolving power if used in air
a ring of radius 5.5 cm is fixed in place and carries a charge of 5.00 microc uniformly spread over its circumference.a
oppositely charged parallel plates are separated by 5.38 mm. a potential difference of 600 v exists between the
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