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A 1.0-cm-tall object is 60 cm in front of a diverging lens that has a -30 cm focal length. Calculate the image position and the image height (in centimeters).
For safety in climbing, a mountaineer uses a nylon rope that is 50 m long and 1.0 cm in diameter. Find its Young's modulus
The length of a simple pendulum is 0.83 m and the mass of the particle (the "bob") at the end of the cable is 0.25 kg. What is the angular frequency of the motion
calculate the work done on a charge Q. If an automobile rounds this curve at 30 {rm m/s}, what is the least coefficient of static friction between tires and road needed to prevent skidding.
What work is done when a 2 C is moved through an electric potential difference of 2 V? Calculate to two decimal places
Wavelengths of light from a remote galaxy are found to be 1.5 % longer than the corresponding wavelengths measured here on earth. What is the speed of the galaxy relative to earth
An unknown length of platinum wire 0.730mm in diameter is placed as the unknown resistance in a Wheatstone bridge. How long (in meters) is the platinum wire
A physical pendulum is composed of a sphere whose center of gravity is attached to a thin rod. The sphere has a moment of inertia of 2/5 MR2. The period of the physical pendulum is
A glass is half-full of water, with a layer of vegetable oil (n = 1.47) floating on top. Determine the critical angle for the oil-water interface
A child looks at a reflective Christmas tree ball ornament that has a diameter of 9.0cm, How far is the child's face from the ball
A beam of light has a wavelength of 500 nm in vacuum. What are the wavelength and the speed of the light in the glass
Initially 1.300 mol of an ideal gas in a container occupies a volume of 2.50 l at a pressure of 3.30 atm with an internal energy U1 = 592.8 J. Find the heat added during this process
A person bounces up and down on a trampoline, while always staying in contact with it. The motion is simple harmonic motion, What is the maximum speed attained by the person
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