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A cycle wheel is rotating at 47rpm when the cyclist begins to pedal harder, giving the wheel a constant angular acceleration of 0.47 rad/s2. a) Find what is the wheel angular velocity, in rpm, 14 second later?
b) Find how many revolutions the wheel makes during this time?
Two spheres are mounted on identical horizontal springs and rest ona frictionless table, as in the drawing. When the spheres areuncharged, the spacing between them is dx =0.05 m, and the springs are unstrained.
during a test dive in 1939 prior to being accepted by the u.s. navy the submarine squalus sank at a point where the
A crate of mass 10.6 kg is pulled up a rough incline with an initial speed of 1.52 m/s. What is the change in kinetic energy of the crate
A dietary Calorie is actually a kilocalorie (note that by convention a capital 'C' is always used to indicate a dietary calorie and a lower case 'c' is used otherwise). Given that 1 cal = 4.186 J express the average daily dietary intake of a person..
A coin is located 20.0 cm to the leftof a converging lens (f = 16.0 cm). A second, identicallens is placed to the right of the first lens, Find the separation between the lenses
A current loop in a motor has an area of 0.85cm2, What is the magnitude of the maximum torque on the current loop
A 5.0 ? resistor is connected in series with a 10.0 ?resistor. This combination is then connected in parallel witha 7.5 ? resistor. The three resistor network is then connectedin series with a 15 ? resistor.
a tugboat tows a ship at a constant velocity. the tow harness consists of a single tow cable attached to the tugboat at
Consider a Rankine cycle with water as the working fluid. Superheated vapor enters the turbine at 480°C and 100 bar and exits at 0.06 bar. determine the actual heat removed from the condenser
A coin rests on the bottom of a beaker filled with an unknown liquid. A ray of light from the coin travels to the surface of the liquid and is refracted as it enters into the air. How fast is the light traveling in the liquid
An aquarium contains a 5-cm layer of water n=1.333 floating on top of carbon tetrachloride. what is the angle of refraction into the air
A 8.59 kg sphere of radius 6.57 cm is at a depth of 2.92 km in seawater that has an average density of 1025 kg/m3. Define the (a) gauge pressure, (b) total pressure, and (c) corresponding total force compressing the sphere's surface?
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