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In a lab, you have a sample of oxygen gas with a volume of 1000cm 3(1.00L) at a temperature of 40.0oC and a pressure of 101 kPa. The gas is allowed to expand until its volume is 1500 cm3(1.50L) and its pressure is 106kPa.
a) How many moles of oxygen are present?
b) What is the final temperature of the sample?
A balsa-wood raft has the following dimensions: L=2.34m , W= 1.35m , H= 0.65m. if the mass of an average person is 72.5kg, how many people can the raft safely support
Give examples of four states of matter. Discuss how gravity affects weight and density. Why is the mass density more important than weight density?
The current through a 1.5 H inductor changes from zero to 1mA in 5 us. How much is the absolute value of self-induced voltage
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Two hockey players strike a puck of mass 0.164 kg with their sticks simultaneously, exerting forces of 1.24 103 N, Find the instantaneous acceleration of the puck
An 79-kg stuntman jumps from a window of a building situated 33 m above a catching net. Assuming that air resistance exerts a 100-N force on the stuntman as he falls, identify his velocity just before he hits the net.
Calculate the force between two wires each 0.98 m long, carrying 29 A current in opposite directions and separated by 1.6 mm
A 200g block is suspended from a vertical spring, causing the spring to strech by 20 cm, What is the speed of the block when it is 5.0cm above the equilibrium position
An airboat with mass 4.36 102 kg, including the passenger, has an engine that produces a net horizontal force of 8.24 102 N, Find the acceleration of the airboat
a patient has a far point of 39.5 cm and a near point of 21.4 cm.a. what power in diopters should be prescribed to
Jeff of the Jungle swings on a vine that is 7.20 long. At the bottom of the swing, just before hitting the tree, Jeff's linear speed is 8.50. Find the magnitude of his tangential acceleration
Light with a frequency of 2.99 x 1015 Hz ejects electrons from the surface of zinc, which has a work function of4.33 eV. What is the minimum de Broglie wavelength of the ejected electrons?
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