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A cylindrical cistern, constructed below ground level, is 3 m in diameter and 2 m deep and is filled to the brim with a liquid whose index of refraction is 1.5. A small object rests on the bottom of the cistern at its center. How far from the edge of the cistern can a girl whose eyes are 1.2 m from the ground stand and still see the object?
A coin with a diameter of 1.7 cm is dropped on its edge onto a horizontal surface. It starts rolling with an initial angular speed of 15.3 rad/s and rolls in a straight line without slipping.
A Young's double-slit experiment is performed using light that has a wavelength of 623 nm. Calculate the angle that locates the first-order bright fringes
A 10kg block of ice is placed in a 0.01m^3 vat of boiling water to cool it. What is the final equilibrium temperature of the water
When 1160 of heat are added to one mole of an ideal monatomic gas, its temperature increases from 272K to 275K
The position and momentum of a 3.01 keV electron are simultaneously determined, what is the minimum percentage uncertainty in its momentum
A 16.8-kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 73.0 N and is directed at an angle of 22 ° above the horizontal. Determine the coefficient of kinetic friction.
A plano convex lens is placed convex side down on a plane glass plate and illuminated from the above with red loght of wavelength of 625nm. what are the curvature and focal length of the convex surface of the lens
A small rocket is powered upward on lift-off by an engine thrust of 12,000-N. If the resulting upward acceleration is 6.40m/s^2, what is the mass of the rocket?
What is the focal length of the contact lenses that will enable him to see distant objects clearly
The pressure of sulfur dioxide (SO2) is 2.89 x 104 Pa. Find the translational rms speed of the sulfur dioxide molecules
A string on a string bass is tuned to vibrate at a fundamentalfrequency of 53.0 Hz. what would be the new fundamental frequency
A 54 kg woman is prepared to do a push-up. Her center of gravity lies directly above a point on the floor which is 0.9 m from her feet, Find the force exerted by the floor on her hands
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