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A closed cylindrical can of fixed volume V has radius r.
(a) Find the surface area, S, as a function of r.
(b) What happens to the value of S as r → ∞?
(c) Sketch a graph of S against r, if V = 10 cm3.
A mouse of mass m jumps on the outside edge of a freely turning ceiling fan of rotational inertia I and radius R. By what ratio does the angular velocity change
Waly Whacko claims to have invented a heat engine that will revolutionize industry. What error did he made in his choice of temperature scale
A pulley 18 in diameter is free to rotate about the horizontal axle. A 220 mass and a 420 mass are tied to either end of a massless string, and string is hung over the pulley.
That is, during the life of the loan, interest is paid on the full amount borrowed even though a portion of the principal has been paid back. Richard borrows $8,000 for a period of four years at an add-on interest rate of 11 percent. Illustrate wh..
The Hubble Space Telescope (HST) has excellent resolving power because there is no atmospheric distortion of the light. Its 2.4-m-diameter primary mirror can collect light from distant galaxies that formed early in the history of the universe. How fa..
three charges q1 1.98 10-9 c q2 -3.15 10-9 c and q3 1.06 10-9 c are located on the x-axis at x1 0 x2 10.0 cm and
A ball of mass 0.120 kilogram is dropped from rest from a height of 1.25 meter. Determine what impulse was given to the ball by the floor
A wire in the shape of an equilateral triangle 13.6 cm on a side is placed in a uniform magnetic field of magnitude 0.136 T. If the field makes an angle of 71.8 ? With the plane of the triangle, decide the magnetic flux during the triangle.
A man accidentally knocks a flowerpot off a high window ledge. The flowerpot drops straight down under the influence of gravity. What is velocity of flowerpot as it falls? What is the distance the flowerpot falls?
If a body is at rest with respect to the sun (Msun=1.99 x 10^30 kg) and is a distance 1.7 x 10^9 m from the sun. What will be its speed when it reaches the sun's surface
A beaker of mass m-beaker containing oil of mass m-oil (density = p-oil) rests on a scale. A block of iron of mass m-iron is suspended from a spring scale and completely submerged in the oil. Determine the equilibrium readings of both scales.
A sound wave is travelling trough a fresh water pool with a speed of 1482 m/s. what is the pressure amplitude of the wave
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