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The net entropy changes when a 85g ice cube initially at 0 degrees C melts in a room. Part A What is the net entropy change, if room temperature T1 = 17 degrees C? Part B What is the net entropy change, if room temperature T2 = 29 degrees C? Express your answers to two significant figures and include the appropriate units.
A jetliner is moving at a speed of 189 m/s. The vertical component of the plane's velocity is 37.6 m/s. Determine the magnitude of the horizontal component of the plane's velocity.
A 0.150 T magnetic field B crosses the xy plane perpendicular to the x axis and at an angle of 70.0° to the y axis. What is the total magnetic flux through the surface
A converging lens has a focal length of f = 29 cm. If an object is placed 40 cm from the lens, where will the image be formed.
A uniform rod of mass 3.20×10?2 and length 0.430 rotates in a horizontal plane about a fixed axis through its center and perpendicular to the rod. Two small rings, each with mass 0.190 , are mounted so that they can slide along the rod.
A standard deck of cards contains 52 different cards. A poker hand consists of five cards, chose randomly. How many different poker hands are there
Molybdenum has a work function of 4.2 eV. If light of frequency 2.0 x 10^15 Hz strikes the surface of molybdenum
The escape velocity of a bullet from the surface of planet Y is 1791 m/s. Calculate the escape velocity from the surface of the planet X
A plucked guitar string produces a sound wave of frequency 440 Hz. (a) What is the wavelength of the sound wave (assume the speed of sound in air is 340 m/s)? (b) How much time elapses between the impacts of two adjacent compression on your eardru..
An object is 12.0 cm to the left of a thin, diverging lens that has a focal length of magnitude 15.5 cm. Where is the resulting image located
A rocket moves straight upward ,starting from rest with an acceleration of +29.4 m/s2. it runs out of fuel at the end of 10.00 seconds, find the maximum height the reaches
Assuming that the depth of Earth's atmosphere is 100.0 km, what is the total charge incident on the atmosphere in 177.0 s? Assume that the radius of the surface of the Earth is 6378. km.
A student uses an audio oscillator of adjustable frequency to measure the depth of a water well. What is the depth of the well
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