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An object is 24in front of a diverging lens with a focal length of 12. Use ray tracing to determine the location of the image.
In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 548 nm. What is the stopping voltage required
An external force moves a 5.4-kg box at a constant speed up a frictionless ramp. The force acts in a direction parallel to the ramp. Calculate the work done on the box
one recent study has shown that x rays with a wavelength of 0.0050 can produce significant numbers of mutations in
An "extreme" pogo stick utilizes a spring whose uncompressed length is 48 and whose force constant is 1.1×104. Calculate her upward acceleration, in g's at that moment
The angle of the ramp is theta and the speed of the block before it starts up the ramp is v0. The block will slide up to some maximum height h above the floor be fore stopping. Show that h is independent of m and theta by deriving an expression fo..
An 80 kg spacewalking astronaut pushes off a 640 kg satellite, exerting the 100N force for the 0.50 s it takes him to straighten his arms.
An undamped 1.42-kg horizontal spring oscillator has a spring constant of 29.9 N/m. While oscillating, it is found to have a speed of 2.53 m/s as it passes through its equilibrium positio
A copper pipe with an outer radius of 0.013 m runs from an outdoorwall faucet into the interior of a house. Find the inner radius of the pipe
A 0.218 kg ball is released from rest at the top of a 56.9 m tall building. Calculate the de Broglie wavelength of the ball
A 3-m3 rigid vessel contains steam at 10 MPa and 500°C. The mass of the steam is
You are driving a car at the 25-mi/h speed limit when you observe the light at the intersection 68 m in front of you turn yellow. How fast were you going as you exited the intersection
A ski tow operates on a 15.0o slope of length 300 meter. The rope moves at 12.0 km/h and provides power for 50 riders at one time, Obtain the power required in hp to operate the tow
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