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When temperature is expected to drop below freezing, a farmer places large tubs of w water in an unheated food storage shed. Write two or three sentences explaining why the farmer uses this technique to protect the produce from freezing.
Hint.
Remember that liquid water has more potential energy than ice
A 1.0- kg mass is attached to a string wrapped around a shaft of negligible mass and having a 8.0- cm radius. How far apart are the masses of the dumbbell
A generator has a square coil consisting of 265 turns. The coil rotates at 106 rad/s in a 0.174-T magnetic field. What is the length of one side of the coil
If the first-order maximum for pure wavelength light falling on a double slit is at an angle of 10.0 degrees, What is the angle of the first minimum
A horizontal spring with k = 72N/m has one end attached to a wall and the other end free. find maximum spring compression
A 7 kg sled is initially at rest on a horizontal road. The sled is pulled a distance of 3.5 m by a force of 37 N applied to the sled at an angle of 30o to the horizontal
A spring causes a textbook attached to its end to oscillate back and forth. The end of the springs position at time t is defined by the function y = 4.50cos(2.50π t+ 0.500π) meters. The textbook has a weight of 27.5 N.
Miranda, a satellite of Uranus, is shown in part a of the figure below. It can be modeled as a sphere of radius 242 km and mass 6.68 1019 kg. What is his vector impact velocity
The sound level 22 m from a loudspeaker is 66 dB. What is the rate at which sound energy is produced by the loudspeaker, assuming it to be an isotropic source
Projectile is fired with launch angle of 60.0 degrees with a speed of 100.0 m/s at t = 0. (assume no air friction), How far from the launch point does the projectile hit the ground
A spring with an unstrained length of 0.075 m and a spring constant of 2.3 N/m hangs vertically downward from the ceiling. What is the magnitude of the external electric field
a physic room has a volumen of 216 m3.a for a pressure of 1.00 atm and a temperature of 27.0 c use the ideal gas law to
an aluminum tape measure is accurate at 20o c. if the tape measure is placed in a deep freeze at -5.0o c what would be
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