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In a system of the Atwood machine with masses of 6kg and 10kg.
(a) What is the tension in the chord connecting the masses?
(b) What is the acceleration of the masses? Assume that the pulley is frictionless and rope massless. Take g = 9.8m/s2
Two children who are bored while waiting for their flight at the airport decide to race from one end of the 20 -long moving sidewalk to the other and back. Phillippe runs on the sidewalk at 2.0 (relative to the sidewalk). Renee runs on the floor at 2..
A typical human eye is nearly spherical and usually about 2.5 cm in diameter. Find the approximate size of each image (coin and friend) on her retina
Two parallel sheets of aluminum foil separated by 0.1 millimeter are connected to a 9 Volt battery. The area of each sheet is 0.5 m2. Determine how much energy is stored in the capacitor
a 12 kg ball is dropped from rest at a point 5m above the floor and bounces back with a speed of 6 ms. what impulse is
After a 0.825 nm x-ray photon scatters from a free electron, the electron recoils with a speed equal to 1.45E+6 m/s. What was the Compton shift in the photon's wavelength
Given taht 200 W/m^2 of randomly polarized light is incidentnormally on a stack of ideal linear polarizers that are positionedone behind the other with the transmission axis first vertical, How much light emerges
A cyclist approaches the bottom of a gradual hill at a speedof 20m/s. find the speed at which the cyclist crests the hill
A particle moves along the x-axis. Its position varies with time according to the expression x(t) = -4t + 2t2, where x is in meters and t is in seconds. a) Determine the displacement of the particle in the two time intervals t = 0 to t = 1 s and t..
A layer of transparent plastic (n = 1.63) on glass (n = 1.52) looks dark when viewed in reflected light whose wavelength is 576 nm in vacuum. Find out the two smallest possible nonzero values for the thickness of the layer.
A hollow, conducting sphere with an outer radius of 0.240 m and an inner radius of 0.197m has a uniform surface charge density of +6.35×106 C/m2. Calculate the strength of the electric field just outside the sphere
A 2900 kg truck traveling northat 40 km/h turns east and acceleratesto 51 km/h. What is the change in the truck's kinetic energy
the index of refraction of the core of a piece of fiber optic cable is 1.76. if the index of the surrounding cladding
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