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A pendulum that was originally made by Foucault at the Pantheon in Paris for the Paris Exhibition in 1851 was restored in 1995. It has a 28.0-kg sphere suspended from a 67.0-m light cable. How long would it take for the bob in this pendulum to move from the position of maximum displacement down to the equilibrium point?
The answer is 4.11s. How do you get that?
A 75.0 weight watcher wishes to climb a mountain to work off the equal of a larger piece of chocolate cake rated 500 (food) calories. Determine how high must the person climb
Water flowing through a 2.2 cm -diameter pipe can fill a 400 L bathtub in 6.0 min. What is the speed of the water in the pipe
The velocity in a certain flow field is given by the equation V=(3x^2+1)i - 6xyj. Determine the expressions for the two rectangular components of acceleration.
A Goodyear blimp typically contains 5980 m3 ofhelium (He) at an absolute pressure of 1.10 x 105 Pa. What is the mass (in kg) ofthe helium in the blimp
A hotel elevator ascends 170 m with a maximum speed of 5.9 m/s. Its acceleration and deceleration both have the magnitude of 1.5 m/s2.
a block of mass m slides down a frictionless plane inclined at an angle with the horizontal. the gravitational force is
Photons of wavelength 58.0 pm are Compton-scattered from a free electron in an aluminum block, at 75.0o from the original direction. What energy (in electron volts) has been imparted to each electron
Upton Chuck is riding the Nitro at Six Flags Great Adventure. If Upton free falls for 2.55 seconds, what would be his final velocity and how far would he fall.
A large balloon of mass 222 kg is filled with helium gas until its volume is 335 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3. Calculate the buoyant force acting on the balloon
assume that at low temperatures only the lattice vibrations and the electrons treated as a fermi gas contribute to the
Assuming ideal gas behavior, what would be its volume at a depth of 2500m under the ocean surface at 277K? What is the percentage increase in density of the O2?
An engine moves a boat throughthe water at a constant speed of 15 m/s. What power does the engine develop
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