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(a) An ideal gas occupies a volume of 1.0 cm3 at 20°C and atmospheric pressure. Obtain the number of molecules of gas in the container.
_________molecules
(b) If the pressure of the 1-cm3 volume is reduced to 1.6 × 1011 Pa (an extremely good vacuum) while the temperature remains constant, determine how many moles of gas remain in the container?
_________mol
A rectangular loop is located next to a long straight wire carrying a current of 30.0 A. What is the direction of the net force on the loop
A mountain climber jumps a 3.0m wide crevasse by leaping horizontally with the speed of 8.00 m/s. If the climber's direction of motion on landing is 45 degrees, what is height difference between the two sides of the crevasse? Where does the climbe..
The electric output of a power plant is 790MW. Cooling water flows through the power plant at the rate 0.600*10^8 L/hr. What is the power plant's thermal efficiency
A star in a distant galaxy is located at a distance of 20 kpc from the center of that galaxy. What is the total mass of the dark matter in this galaxy
If a four engine jet accelerates down the runway at 2m/s2 & one of the jet engines fails, how much acceleration will the other three produce?
High-speed photos of a 220 microg flea jumping vertically indicate that the jump lasts 1.2 ms, What is the flea's change in momentum during its jump
Two long straight parallel wires are 12cm apart. Wire A carries 1.5A current. Wire B's current is 4.0A in the same direction, Determine the magnetic field due to wire B at the position of wire A
By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 2.80 m/s and v2 = 1.85 m/s. As the plate falls, its momentum has only a vertical component, and no component parallel to the flo..
An archaeologist found a fragment bone of animal. It has an activity per gram of carbon that is 25% that of an equivalent sample of carbon from a similar living animal
Space vehicles traveling through Earth's radiation belts can intercept a significant number of electrons. The resulting charge buildup can damage electronic components and disrupt operations. Suppose a spherical metallic satellite 1.3 m in diamete..
A fish swimming in a horizontal plane has velocity (4.00i + 1.00j) m/s at a point in the ocean where the position relative to a certain rock is r (initial)=(10.0i - 4.00j)m. After the fish swims for 20.0 s, its velocity is v=(20.0i - 5.00j) m/s.
A series ac circuit contains a 250-ohm resistor, a 15-mH inductor, a 3.5uF capacitor, and an ac power source of voltage amplitude 45 v operating at an angular frequency of 360 rad/s, (a) what is the power factor of this circuit? (b) Discover the aver..
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