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A bicycle is racing around on a horizontal surface in a circle of radius 16 m. The force exerted by the road on the bicycle makes an angle of 25 degrees with the vertical. What is its speed?
If the frictional force is one-third the maximum value, what is the coefficient of static friction?
A uniform, thin, solid door has height 2.10 m, width 0.820 m, and mass 23.5 kg. Find its moment of inertia for rotation on its hinges
unpolarized light with intensity io passes through two polarizers the transmission of the one is vertical and that of the other is 60 degrees to the vertical
The index of refraction for red light in water is 1.331, what are the underwater angles of refraction for the blue and red components of the light
Two long straight wires carrying the same current I and separated by a distance r exert a force F on each other. What will be the force between two wires
An electron passes through a point 3.91 cm from a long straight wire as it moves at 33.7% of the speed of light perpendicularly toward the wire. The wire carries a current of 11.3 A. Find the magnitude of the electron\'s acceleration at that point.
In a double-slit experiment, what is the linear distance on the screen between adjacent maxima if the wavelength is 538 nm
A 320 piano slides 3.4 down a 33 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (see the figure(Figure 1) ). The effective coefficient of kinetic friction is 0.40. Calculate the force exerted by th..
A weight lifter raises a 1021 N weight a vertical distance of 1.60 m in a time interval of 2.20 s. Compute the power provided by the weight lifter's force
two blocks connected by a rod going down a 30.0 degree slope, bigger mass 3.30kg is first and the smaller 1.65kg is following. calculate the common acceleration of the blocks
A playground swing at its highest point during a child's play is 3.0 meters above the ground, Determine the torque exerted by gravity on a child on the swing when the swing is at the highest point of its motion
an object falls freely from height h. it is released at time zero and strikes the ground at time t.a when the object is
Animals in cold climates often depend on two layers of insulation: a layer of body fat [of thermal conductivity 0.200W/(m dot K) ] surrounded by a layer of air trapped inside fur or down. We can model a black bear (Ursus americanus) as a sphere 1...
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