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1. With the temperature held constant, the pressure of a gas in a cylinder by a movable piston is increased from 10 kPa to 80 kPa. The initial volume of the gas in the cylinder is 0.56 m3. What is the final volume of the gas after the pressure is increased?
2. A certain boat displaces a volume of 6.7 m3 of water. (The density of water is 1000 kg/m3.)
a) What is the buoyant force acting on the boat?
b) What is the mass of the water displaced by the boat?
A few bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velocity has a radius of 1.3 x 10-8 meter, Find the angular speed of this bacterial motor
Two people with a combined mass of 134 kg hop into an old car with worn-out shock absorbers. This causes the springs to compress by 9.00cm. Find the total load supported by the springs
If the police car accelerates uniformly at 3.00m/s^2 and overtakes the speeder after accelerating for 9.00 s, illustrate what was the speeder's speed?
A cube of iron, of side length 14cm, is heated from 10?C to 90?C; Calculate the total work done ON the cube and the change in internal energy of the cube
Find the maximum altitude reached by the rocket.
A man of mass 71.6 kg is forced to stand on the very end. If the end of the board drops by 5.60 cm because of the man's weight, find the shear modulus of the wood.
A particle with a mass of 7.43 multiply.gif 10-27 kg has a de Broglie wavelength of 8.37 pm. What is the particle's speed
Standing at a crosswalk, you hear a frequency of 500 Hz from a siren of an approaching ambulance. Determine the ambulance's speed from these observations
Three wires are arranged parallel to each other. Wire 1 sits at x = -2.5m with a current I1 = 3.0A directed into the page, Determine the location of wire 3 and the direction of the current such that the net magnetic force acting on wire 3 is zero
Two small stereo speakers are 2.8 m apart and act as a double-slit interference experiment with sound waves. If the opposite wall of the room is 7.5 m away and the sound frequency is 1.4 kHz, what is the distance among the two interference maxima nea..
An aluminum rod is 18.0 cm long at 20°C and has a mass of 350 g. If 15,000 J of energy is added to the rod by heat, what is the change in length of the rod
An 83.6-mH inductor and a 6.22-µF capacitor are connected in series with agenerator whose frequency is 355 Hz. Therms voltage across the capacitor is 2.36V. Determine the rms voltage across the inductor.
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