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A drinking glass is 16 cm tall. It is photographed at a distance of 75 cm from a camera lens (converging) whose focal length is 10.0 cm. What is th height of the image of the glass?
A small ball rolls off the roof edge of a building with a horizontal speed of 2.3 m/s. the ball hits the ground a distance of 15.8 m from the buildings base. Calculate the following: (neglect any air resistance and spin) A) the height of the building..
Suppose that 2.8 moles of an ideal diatomic gas has a temperature of 1003 K, and that each molecule has a mass 2.32 Ã* 10^-26 kg, What is the internal energy of the gas
A truck horn emits a sound with a frequency of 246 Hz. The truck is moving on a straight road with a constant speed. what is the speed of the truck
An airplane propeller is 2.07 m in length(from tip to tip) and has a mass of 124kg. What is the propeller's angular speed after making 5.00 revolutions
Estimate the total pathlength traveled by a deuteron in the syslotron of sample problem 28-5 during the entire acceleration process. assume that the accelerating potential between the dees is 80kV
What is the longest wavelength of light that may be absorbed by a hydrogen atom that starts in the second excited state
A ball is thrown vertically at 19.6m/s. Ignoring air resistance, how long will the ball be in the air before returning to its initial height
A magnetic field is oriented at an angle of 43 degrees to the normal of a rectangular area 4.7cm by 6.9cm . If the magnetic flux through this surface has a magnitude of 4.8×10^?5T*m^2 , what is the strength of the magnetic field?
The conducting rod shown in Fig. 30-50 has length L and is being pulled along horizontal, frictionless, conducting rails at a constant velocity. At what rate does this force do work on the rod
A block of wood with volume V floats in water with 0.70V submerged. In oil the block floats with 0.85V of its volume submerged. calculate the density of the wood and oil
Suppose a car battery provides 14 Volts when not in use. When the starter cranks, it draws 100 Amps, Find the Thevenins equivalent circuit for this battery
In a conversion from military to peacetime use, a missile with a maximum horizontal range of 160 km is being adapted for studying the upper atmosphere
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