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A 4.0-kg block slides down an inclined plane that makes an angle of 31° with the horizontal. Starting from rest, the block slides a distance of 2.5 m in 4.8 s. Find the coefficient of kinetic friction between the block and plane.
How much work must be completed to accelerate a baton from rest to an angular speed of 7.79 rad/s about its center? Consider the baton to be a uniform rod of length 0.596m and mass 0.495kg.
A small 15.0-g bug stands at one end of a thin uniform bar that is initially at rest on a smooth horizontal table. What is the angular speed of the bar just after the frisky insect leaps
A 0.030kg ice cube at 0C is placed in an insulated box thatcontains a fixed quantity of steam at 100C. Determine the original mass of the steam at 100C
An indicator is essentially a long series of circular wires (spiral, actually). If a current began running in the first turn of the coil what would happen at the other end
As your plane circles an airport, it moves in a horizontal circle of radius 2300 meter with a speed of 350 km/h. find at what angle should the plane be banked so that it doesn't tend to slip sideways
You are playing college basketball and some time after crossing the midcourt line you shoot the ball at an angle of 53 degrees above the horizontal. how many points did you score
Protons in cosmic rays have been observed with kinetic energies as large 2.70 × 108 eV. How fast are these protons moving
A heavy piece of hanging sculpture is suspended by a 90 cm-long, 5.0 g steel wire. When the wind blows hard, the wire hums at its fundamental frequency of 74Hz. What is the mass of the sculpture
A sealed glass jar contains air originally at a pressure of 1.00 atmand a temperature of 0° C. Discover the air pressure when the jars heated to 310° C. The linear expansion coefficient of the glass is 1.0310-5 (C°)-1.
A ball is thrown vertically upward with a speed of 15.0 m/s. How long does it take to reach its highest point
A 32 kg child sits at one end of a3.4 m long seesaw. Where should her 65 kg father sit so the center of mass will be at the center of theseesaw?
the lens of a slide projector with a focal length of 100.0 mm projects a slide onto a screen that is 10.0 m away. how
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