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Light of wavelength 514 nanometers from a distant source is incident on a slit 0.650 millimeter wide. The resulting diffraction pattern is observed on a screen 4.50 meter away. Obtain the distance between the two dark fringes on either side of the central bright fringe?
Two blocks hang from either end of a massless rope that runs over a pulley, treated as a thin solid disk, (An Atwood's Machine), and are held in place. Find the unknown mass of the block
The volume of an ideal gas is held constant. Determine the ratio P2/P1 of the final pressure to the initial pressure
Consider an ideal gas at 28.9°C and 0.96 atm pressure. To get some idea how close these molecules are to each other, on the average, imagine them to be uniformly spaced,
A suitcase falls out of an airplane which is 400 meters above the ground. What is the time it takes for the suitcase to reach the ground
when two resistors r1 and r2 are connected in series across a 6.0-v battery the potential difference across r1 is 4.4
a 4.2 m diameter carousel merry-go-round is freely rotating with an angular velocity of w.85 rads. its moment of
An 8.0 kilogram cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 10.0 m/s. Find the translational kinetic energy of its center of gravity
A space probe is fired as a projectile from the Earth's surface with an initial speed of 1.78 x 10^4 m/s. What will its speed be when it is very far from the Earth
A bat crashes into the vertical front of an accelerating subway train. If the coefficient of friction between the bat and the trainis 0.86, what is the minimum acceleration of the train that willallow the bat to remain in place?
A 210-m-wide river flows due east at a uniform speed of 3.5 m/s. A boat with a speed of 6.7 m/s relative to the water leaves the south bank pointed in a direction 37o west of north. How long does it take for the boat to cross the river
A 100-g piece of metal initially at 100 C is placed in a 250 gof water contained in a 300-g aluminum vessel initially at 20.o C. what is the specific heat of the unknown piece of metal
A 1000- kg car collides with a 1200- kg car that was initially at rest at the origin of an x-y coordinate system. What was the initial speed of the lighter car (in km/h)
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