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A 2.0cm -tall candle flame is 2.0 m from a wall. You happen to have a lens with a focal length of 42cm .
For each location, what is the height of the image?
Illustrate a basketball momentum vectors
In a classic clip on America's Funniest Home Videos, a sleeping cat rolls gently off the top of a warm TV set. (Ignore air resistance and consider upward motion to be positive with zero at the top of the TV).
A steel aircraft carrier is 370 m long when moving through the icy North Atlantic at a temperature of 2°C. By how much does the carrier lengthen when it is travelling in the warm Mediterranean Sea at the temperature of 21 °C.
A flight attendant pulls her 64 N flight bag a distance of 370 m along a level airport floor at a constant velocity. The force she exerts is 45 N at an angle of 51° above the horizontal.
An airplane flies 200 km due west from city A to city B and then 265 km in direction of 27.5° north of west from city B to city C.
Two identical positive charges exert a repulsive force of 6.2 x10-9 N when separated by a distance of 3.6 x10-10 m. compute the charge of each.
An inductor used in a dc power supply has an inductance of 13.0 H and a resistance of 230 Omega. It carries a current of 0.210 A. What is the energy stored in the magnetic field? At what rate is thermal energy developed in the inductor? Does your rep..
At this point, person doing the laundry opens the lid, and a safety switch turns off the washer. The tub smoothly slows to rest in 11-s. Through how many revolutions does the tub turn while it is in motion.
A small block of mass m1 = 0.5kg slides to the left, with a velocity of v1 = -8.40 m/s, towards a curved wedge of mass m2 = 3 kg which sits on an icy, frictionless lake surface.
Visitors at a science museum are invited to sit in a chair to right of a full-length diverging lens (f1 = -3.06 m) and observe a friend sitting in a second chair, 1.84m to the left of the lens.
What is current temperature and peak wavelength What is the proper description of their situation
A long distance power line is to carry 175 megawatts (1.25x10^8W) of alternating current power at distance of 15.0km at a peak voltage of 1.00MV and a frequency of 60Hz.
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