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Question1
An ideal gas expands at a constant pressure of 6.00 105 Pa from a volume of 1.00 m3 to a volume of 4.00 m3 and then is compressed to one-third that pressure and a volume of 2.50 m3 as shown in the figure below before returning to its initial state. How much work is done in taking a gas through one cycle of the process?
Question2
An alien spaceship traveling at 0.500c toward the Earth launches a landing craft. The landing craft travels in the same direction with a speed of 0.780c relative to the mother ship (as measured by aliens on the mother ship). As measured on the Earth, the spaceship is 0.250 ly from the Earth when the landing craft is launched. What travel time is required for the landing craft to reach the Earth as measured by Earth-based observers? What travel time is required for the landing craft to reach the Earth as measured by those on the landing craft?
Two slits with a separation of 8.5 x 10^(-5) m create an interference pattern on a screen 2.3 m away. find the wavelength of the light used in the experiment
Three electric charges QA= q, QB = -q, and QC = -2q are located at the points, what is the value of the electric potential at the origin
Calculate the electrical resistivity of a sample length of wire given the following data: length =.80 meter, diameter= .003 meter and resistance =.266 ohms
The gap between electrodes in a spark plug is 0.06 cm. In order to produce an electric spark in a gasoline air mixture, What minimum voltage must be supplied by the ignition circuit
A plumb bob is suspended from a point in the Northern hemisphere at a latitude of 45o. Find the angle this plumb bob makes
Express your answers using two significant figures. Enter the x and y coordinates of the charge separated by a comma.
Water flows straight down from an open faucet. The cross-sectional area of the faucet is 2.2 × 10-4m2, find the cross-sectional area of the water stream at a point 0.11 m below the faucet
A 140-m-wide river flows due east at a uniform speed of 3.9 m/s. A boat with a speed of 7.8 m/s relative to the water leaves the south bank pointed in a direction 39o west of north. How long does it take for the boat to cross the river
A vertical scale on a spring balance reads from 0 to 195 rm{N}. The scale has the length of 11.5 rm{cm} from the 0 to 195 rm{N} reading. A fish hanging from the bottom of spring oscillates vertically at a frequency of 2.30 rm{Hz}. What is the m of..
Suppose that the spring is ideal and that the distance by which the spring is compressed is negligible compared to H.
A proton is moving parallel to a uniform electric field. The electric field accelerates the proton and increases its linear momentum to 3.00 10-23 kg·m/s from 1.30 10-23 kg·m/s in a time of 6.80 10-6 s. What is the magnitude of the electric field?
Larger animals use proportionately less energy than smalleranimals; that is, What resting power does this correspond to
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