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A simple pendulum has period T on the surface of Earth. When taken to planet X, the same planet has period 2T.
a) If the radius of planet X is half the radius of Earth, what is the mass of planet X, relative to mass of the planet Earth?
b) Assume a vertical mass and a spring oscillator has period T on Earth. What period would the oscillator have on planet X? Describe.
A student (m= 75kg) falls freely from rest and strikes the ground. During the collision with ground, he comes to rest in a time of 0.040s.
The wavelength of visible light ranges from 400 nm to 700 nm. Find the ranges of this light's angular frequency
A 5kg piece of metal displaces 0.75L of water when submerged. What is the buoyant force on the piece of metal? Give your answer in Newtons
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question 1 polymer diffusion the figure below indicates the result of a particle tracking experiment where lateral
A heat engine produces 9440 J. of heat while performing 2340 J. of useful work. What is the percent efficiency of this engine
An astronomical telescopeuses
White light is incident on a soap film (n = 1.30) in air. The reflected light looks bluish because the red light (? = 684 nm) is absent in the reflection. What is the minimum thickness of the soap film?
Calculate the capacitance of a planet, assuming it is a spherical capacitor of radius R = 9050.0 km with charge distributed throughout the volume of the sphere
A 15m uniform ladder weighing 500 N rests against a frictionless wall. The ladder makes 60 angles with the horizontal.
In her bathroom, Mindy has an overhead heater that consists of a coiled wire made of nichrome that gets hot when turned on. What current does the wire carry
Helium forms a solid at low temperatures and high pressures. To maintain the order present in a solid, each atom must remain at its assigned position, Find the uncertainty in momentum of the helium atom
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