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Gas is contained in a 8.00 L vessel at a temperature of 21.0°C and a pressure of 5.00 atm.
a) Determine the number of moles of gas in the vessel.b) How many molecules are there in the vessel?
A 0.5 kg brick is dropped from a height of 9.0 m. It hits the ground and comes to rest. What is the magnitude of the impulse exerted by the ground on the brick
A disk rotates about a fixed axis with an initial angular velocity of 20 rad/s. During a 5.0-s interval the angular velocity decreases to 10 rad/s. How many radians does the disk turn through during the 5.0-s interval
An object of mass m moves in a circle of radius R under the influence of a force of magnitude F.
A 4.35-g bullet is moving horizontally with a velocity of +342 m/s, where the sign + indicates that it is moving to the right, What is the velocity of the second block after the bullet imbeds itself
The wheels, axle, and handles of a wheelbarrow weigh W = 59 N. The load chamber and its contents weigh WL = 691 N. Find the magnitude of the man's force for both designs
A rectangular block of glass (n = 1.52) surrounded by a liquid with n = 1.70. At what angle does the ray leave the glass at point B
Density-Gravity Problem: a) Planet Vulcan has twice the mass of Earth and the same radius. What are its volume, density and surface gravity compared to Earth?
Consider two isolated, charged conducting spheres: a large sphere and a second smaller sphere with a radius 8 times smaller than that of the large sphere, but with 4 times as much charge.
An electron in the first excited state (n=2) of hydrogen. How many possible states of orbital angular momentum are there for the electron, How many Possible spin states are there for the electron
An object is 12.0 cm to the left of a thin, diverging lens that has a focal length of magnitude 15.5 cm. Where is the resulting image located
A string is stretched between fixed supports separated by 73.0 cm. It is observed to have resonant frequencies of 390, What is the wave speed for this string
A 50kg pullvolter running at 10 m/s vults over the bar. Her speed when she is above the bar is 1 m/s. estimate her altitude as she crosses the bar
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