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A person stands at a point 300 m in frontof the face of a sheer cliff. If the person shouts, how much time will elapse before an echo is heard?
A dockworker applies a constant horizontal force of 89.0N to a block of ice on a smooth horizontal floor
A ball is thrown straight upward. At 5.50 m above its launch point, the ball's speed is one-half its launch speed. What maximum height above its launch point does the ball attain?
It is determined by immersing a crown in water that its volume is 26inc^3=4.2x10^-4m^3. What would its weight be if it were made of pure gold
A 0.35 mass is attached to a spring with a force constant of 26 and released from rest a distance of 3.9 from the equilibrium position of the spring. What is the maximum speed of the mass
Calculate the lowest values of the energies (in eV) of an electron, a neutron and a photon allowing diffraction from the {101} planes of silicon
A person running a fever has a body temperature of 39.4 degrees C What is the person's temperature on the Fahrenheit scale
A Tritium (3 1 H) nucleus with kinetic energy of 4.70 MeV is incident on a stationary target of phosphorus (30 15 P); Find the nuclear binding energy of the nucleus 32 16 S
A cylinder (I = MR^2/2) is rolling along the ground at 7m/s. It comes to a hill and starts going up. Assume no losses to friction, how high does it get before it stops.
In a Young's double-slit experiment, the seventh dark fringe islocated 0.033 m to the side of the central bright fringe on a flatscreen, which is 1.1 m away from the slits. The separation betweenthe slits is 1.6 x 10-4 m. What is the wavelength of..
In a certain reference frame, a particle with momentum of 7 MeV/c and a total energy of 10 MeV. What is the relative speed of the two reference frames
What is the final temperature when .032kg of milk at 11C is added to .16 kg of coffee at 91C. suppose the specific heat capactieis of the two liquids are the same as water, and disregard any energy transfer to the liquid's surroundings.
An archer shoots a 2.0x10^-2 kg arrow at a target with a speed of 50 m/s. When it hits a target, it penetrates to a depth of 8.6x10^-2 m. What was the magnitude of the average force exerted by the target on the arrow?
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