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Q1. What are the three types of equilibrium? Provide an example from exercise or athletics for each type of equilibrium and something in the activity or sport you cited that normally attempts to disturb the equilibrium.
Q2. Explain how the base of support is related to stability in athletics. Include examples of how the different bases of stability are used in actual sport situations. Include a description of what has to happen to the line of gravity for a person's body to become unstable.
A device uses a Stirling cycle on 391 moles of a monatomic ideal gas between two reservoirs with temperatures of 395 K, How much energy does this device remove from the cold reservoir
A pulsed proton beam is fired at a target. Each pulse lasts 45.0 ns, and there are protons in each pulse, What is the average pressure on the beam spot during a pulse
johnny throws a shotput at an angle of 45.deg and it travels a horizontal distance of 30. meters. if he releases the
Water having a density of 1000kg/m^3 is flowing with a velocity of 3 m/s through a pipe. Determine the water velocity at the restriction
The coil is flipped so its plane is vertical to the magnetic field in 0.050 s. What is the magnitude of the average induced emf.
Three resistors are connected to a in series with a 19 V ideal battery, What is the current coming out of the battery
A glider of mass 0.155kg is moving to the right on a frictionless, horizontal air track with a speed of 0.760m/s. Find the magnitude of the final velocity of the 0.155kg glider
The threshold of dark-adapted (scotopic) vision is 6.0 x 10-11W/m2 at a central wavelength of 500 nm. how many photons per second enter the eye
When the displacement in SHM is 0.4 the amplitude A, what fraction of the total energy is kinetic energy, What fraction of the total energy is potential energy
The nucleus of a 125^Xe atom (an isotope of the element xenon with mass 125 u) is 6.0 fm in diameter. It has 54 protons and charge q=+54e, What is the proton's acceleration
You have a string with a mass of 0.0141 kg. You stretch the string with a force of 9.09 N, giving it a length of 1.81 m. What is the wavelength of the standing wave
A 69N box of clothes is pulled 8.9 m up a 30° ramp by a force of 100 N that points along the ramp. If the coefficient of kinetic friction between the box and ramp is 0.22, compute the change in the box's kinetic energy.
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