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Assume your eyes are located 16 cm below the top of your headand 172 cm above the bottom of your feet. You are standing 200cm in front of vertical wall.
a. What is the length of the shortest mirror that can be hung on the wall to enable you tosee your full image?b. What is the location of your virtual imager?c. Demonstrate your answer by sketching the appropriate light rays.
Two adjacent natural frequencies of an organ pipe are determined to be 986 Hz and 870 Hz. (Assume the speed of sound is 343 m/s.), Calculate the fundamental frequency of this pipe
The observer on the right, sees two final images. One image comes directly from the objet. What is the focal length of the concave mirror
A man driving a car toward a large vertical wall sounds his horn. The car is traveling at 81 km/h. What is the frequency of the cars horn
A beam of hydrogen molecules (H2) is directed toward a wall, at an angle of 58° with the normal to the wall. What is the beam's pressure on the wall
a rod of mass m and length l l 3m is pivoted on a frictionless hinge at the end. the rod is held at rest horizontally
a 2.28 kg mass connected to a spring completes one oscillation every three seconds. the motion has an amplitude of 1.5
the kinetic energy of a particle is equal to the energy of a photon. the particle moves at 4.2 of the speed of light.
a car rounds a flat curved road radius 100 m at a speed of 25.0 ms and is about to slide at this speed. what is the
An object of heat capacity 100 cal/C is initially at 30.0C. Estimate the resulting entropy change of the universe
In a lightning bolt, a large amount of charge flows during a time of 2.6 x 10-3 s. How much charged has flowed during the lightning bolt
Two spaceships approach Earth with equal speeds, as measured by an observer on Earth, but from opposite directions. A meterstick on one spaceship is measured to be 60 cm long by an occupant of the other spaceship. What is the speed of each spaceship,..
Two new particles, which have identical positive charge q3, are placed the same 0.0434 meters apart, and the force between them is measured to be the same as that between the original particles, What is q3
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