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Question: By how much does the entropy in a laboratory increase when a 1 kg book is dropped 1 m to the floor? Assume all energy is eventually turned into heat, and the laboratory temperature is 295 K.
This is a physic question, reply as soon as possible. Thank you.
An engine absorbs 3,450 J of heat energy each cycle and expels 1,240 J. how much work does it do in one cycle
You have a convex lens of focal length 3cm and NA=0.6. Light diffracts from two pinholes separated by a distance d. What is the smallest d can resolve using green light and what is the diameter of the lens?
question1an airplane flies 200 km due west from city a to city b and next 335 km in direction of 30.0deg north of west
Explain how much work does the gravitational force do on the block as the block travels from point P to (a) point Q and (b) the top of the loop?
The surface area of the eardrum is about 8 x 10^-5 m^2. What is the power transmitted to the eardrum by a soundwave of 40 dB if no sound is reflected
an ideal gas of molar mass m is located in a uniform gravitational field whose free fall acceleration is g. a find the
a ferry boat is traveling in a direction 34.1deg north of east with a speed of 4.82 ms relative to the water. a
What would angular speed have to be,in rpm?
Abody weight W is attached by a string of length L, to a hook on a vertical wall. A horizontal force F acting on the body holds it at a distance D from the wall. Derive the equation, which give the F in terms of W, L and D
to be safe the engineers making the ride want to be sure the normal force does not exceed 1.9 times each persons weight
The two strands of the helix-shaped DNA molecule are held together by electrostatic forces as shown in the Figure 16-44 in the textbook. Estimate the net force between a cytosine and a guanine
Write an explanation of how you can predict the motion of a charged hockey puck that is moved by other charged pucks. How negative and positive charges compare and contrast
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