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A wheel of diameter 24.0 cm is constrained to rotate in the xy plane, about the z axis, which passes through its center. A force = (-38.0 + 39.4 ) N acts at a point on the edge of the wheel that lies exactly on the x axis at a particular instant. What is the torque about the rotation axis at this instant?
Calculate the wavelength of light in vacuum that has a frequency of 6.1 105 Hz. Calculate the energy of one photon of such light in vacuum
An object falls because of gravity at the rate of -920 cm/s2 (- sign is indicative of a downward direction) for 10.00 Seconds. If it starts from rest (vo = 0) and its position starts from do= 0.0, where is it 10.00 Seconds later.
an astronaut weighs 1000N on the surface of the earth(radius = 6.38*10^6m) what is the weight of the astronaut at the elevation of 620 km above the earth's surface
On a winter day when the temperature is 4.00, the resistance of the carbon resistor is 217.4. Evaluate what is the temperature on a spring day when the resistance is 215.8
a 28 kg rifle bullet at an unknown velocity buries itself in a 3.6-kg pendulum hanging on a 2.8-m long string, what was the speed of the bullet prior to impact
A solid sphere of radius 10 m and mass 2.5 kg rolls down a ramp that is 3 m high. What is its velocity at the bottom of the ramp
ball rolls horizontally off the edge of a tabletop that is 1.80 m high. It strikes the floor at a point 1.32 m horizontally away from the table edge. (Neglect air resistance.) (a) How long was the ball in the air? s (b) What was its speed at the i..
A 100 arrow is shot perpendicularly from a bow whose effective spring constant is 500. If the bow is drawn 75 before shooting the arrow, to what height does arrow rise.
We have a typical student microscope with a rotating platform that allows the user to select from three objective lenses. calculate the highest and lowest magnitude of the overall angular magnifications available
A plane of a 5.0 cm x 8.0 cm rectangular loop of wire is parallel to a 0.19 -T magnetic field. The loop carries a current of 6.2 A. obtain the magnetic moment of the loop
A wheel starts from rest and rotates about its axis with constant angular acceleration. What is the angular acceleration of the wheel
A turbine that uses steam drives an electric generator. The inlet stream flows through a 10 cm diameter pipe to the turbine at 2.5 kg/s at 600°C and 1000 kPa. The exit steam discharges through at 25 cm diameter pipe at 400°C
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