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A compound microscope has a barrel whose length is 16.4 cm and an eyepiece whose focal length is 1.7 cm. The viewer has a near point located 25 cm from his eyes. What focal length should the objective have so the angular magnification of the microscope is -250?
Now, as both pipes vibrate at their fundamental frequencies, the beat frequency of 17 Hz is heard. How many centimeters were cut off the end of the second pipe? The speed of sound is 333 m/s.
A bowling ball encounters a .760 m vertical rise on the way back tothe ball rack. Find the translational speed at the top
The kinetic energy of an object is increased by a factor of 7, by what factor is the magnitude of its momentum changed
An electron is in the fifth Bohr orbit of hydrogen. Calculate the time required for the electron to circle the nucleus
A vector has an x-component of -21.5 units and a y-component of 35.0 units. Find the magnitude and direction of the vector
The system pictured below consists of two blocks of mass m connected via springs to two walls. The springs all have spring constant k. Write the equations of motion for this system. Use as your variables the displacement of each block from its res..
What value does this give for the speed of sound in air. What is the speed of the ball at that point.
A basketball is released from a height of 2.00 m above the floor and enters a basket that is 3.0 m above the floor. How far was the shooter from the basket
A certain particle has the life time of 10^-7 s, while measured at rest. How far does it go before decaying if its speed is 0.99 c when it is created.
A circular area with a radius of 7.40 lies in the x-y plane. What is the magnitude of the magnetic flux through this circle due to a uniform magnetic field B= 0.232 T that points in the +z direction?
A pitcher claims he can throw a 0.145-kg baseball with as muchmomentum as a 3.00-g bullet moving with a speed of 1.50 x 103m/s. What must the baseball's speed be if the pitcher's claim is valid
automobile accident analysis you are called as an expert witness to analyze the following auto accident ca b of mass
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