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In a cookbook, a poultry thawing chart states that a 10-kg turkey takes 4 days to defrost in a refrigerator. Estimate how long it would take to defrost a 2-tonne Siberian mammoth from the same initial temperature in an industrial refrigeration hall. Hint: treat both animals as spherically shaped.
It also says to look at Fourier's laws? If that helps?
A 100kg mass is on an inclined plane of 30 degrees. It's connected to a second unknown mass that hangs over a frictionless pulley. What is the unknown mass required to maintain an acceleration down the place of 1m per sec
An unknown mass of tin is heated to a temperature of 202 C. It is placed into 200 g of water which is in a 100 g copper cup initially at 10 C. How much heat is gained by the cup and the water
Suppose we know that an electron in an excited state has a tangential velocity (v = 3.65 x 10^5 m/s), What is the radius of this orbit
The plate separation of a charged capacitor is 0.0690 m. A proton and an electron are releasedfrom rest at the midpoint between the plates. Ignore the attractionbetween the two particles, and determine how far the proton hastraveled by the time the e..
suppose 2.00 g of hydrogen is separated into electrons and protons. suppose also the protons are placed at the earths
q1. a dockworker applies a constant horizontal force of 79.0 to a block of ice on a smooth horizontal floor. the
A 11.0nC point charge is at the center of a 2.50m× 2.50m × 2.50m cube. find the electric flux through the top surface of the cube
If you weigh 690 {rm N} on the earth, what would be your weight on the surface of a neutron star that has same mass as our sun and a diameter of 21.0 {rm km}.
Find the electric energy density between the plates of a 225 μF parallel-plate capacitor. The potentialdifference between the plates is 345 V, and the plate separation is0.300 mm.
An advertisement shows a 1239 kg car slowly pulling at constant speed a large passenger airplane to demonstrate the power of its newly-designed 79.7-hp (horsepower) engine, How much work is performed by the car on the airplane during this time
A projectile is launched from a 300 m high cliff at an angle of 30 degree with an initial velocity of 150 m/s. (g=9.8m/s^2). Begin by drawing a diagram and determine: a) The total time of the flight b) The horizontal velocity of the rocket on impa..
A 64 Ω resistor is connected in parallel with a 115 Ω resistor. This parallel group is connected in series with a 20 Ω resistor. The total combination is connected across a 15V battery.(a) Find the current in the 115 Ω resistor.(b) Find the power ..
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