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A quantity of ideal gas at 2°C and 80 kPa occupies a volume of 3.0 m3.
(a) How many moles of the gas are present?
(b) If the pressure is now raised to 270 kPa and the temperature is raised to 24.0°C, how much volume does the gas occupy? Assume no leaks.
An old-style TV set places 25 kV across two plates of a parallel plate capacitor. An electron is released very close to one plate, compute the speed of the electron when it exits the hole
A uniform solid disk, with a mass of 2.0 kg and 20 cm in diameter, is rotating about an axis through its center at 200 rpm. Calculate the final angular velocity of the combination
An object is to the left of a thin lens. The lens forms an image on a screen that is 2.60 m to the right of the object. Is the image upright or inverted
What is the frequency of up and down oscillations of the wheel? Regard wheel as a mass on one end of a spring and regard the body of the car as a fixed support for the other end of the spring.
Two toy locomotives approach each other along the same line, and upon collision both stop dead still. What is the mass of the slower locomotive
Calculate the energy needed to accelerate a spaceship with a mass m = 25 × 103 kg toa speed of 0.40c. Compare this number with the approximate annual energy usage ofEarth, 1021 J
A uniform beam of mass M and length L is pinned to the wall and supported in equilibrium by a thin cable attached a distance d from the free end of the beam. Calculate the force exerted by the pin on the beam in vector form
A 100kg box slides down a ramp that has 60.0degrees slope. The coefficient of kinetic friction between the box and the ramp is 0.250. What is the work done by the gravitational force
Bob walks 250 m south, then jogs 560 m southwest, then walks 250 m in a direction 25 degrees east of north. Find the direction of the displacement that will return Bob to his starting point by the most direct route
In a particular region of Earth's atmosphere, the electric field above Earth's surface has been measured to be 147 N/C downward at an altitude of 250 m, Calculate the volume charge density of the atmosphere
A long, current-carrying solenoid with an air core has 1550 turns per meter of length and a radius of 0.0230 m. What is the mutual inductance of this system
Two capacitors are connected in series. Let 3.00?F be the capacitance of first capacitor, 5.50?F the capacitance of the second capacitor, Calculate the potential difference across each capacitor
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