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Calculate the average end-to-end distance for a 300 kg/mol polyethylene chain, Considering a Carbon-Carbon bond length of 0.154 nm. In polyethylene, the bond angle is supposed to be θ = 109.5
In a single-slit experiment, the slit width is 210 times the wavelength of the light. What is the width of the central maximum on a screen 1.6 m behind the slit
A certain source of sound radiates uniformly in all directions in air. At a distance of 5m the sound level is 80 dB. The frequency is 440 Hz. What is the displacement amplitude at this distance
A 0.5530-kg ice cube at -12.40°C is placed inside a chamber of steam at 365.0°C. calculate the final temperature of the puddle
water flows with a speed of 2.00 m/s through a horizontal 15 cm diameter pipe and is bent along the centerline of the pipe to face the oncoming flow. How high does the water rise in the tube
Dimensional analysis is useful in the design of centrifugal pumps. The pressure rise across a pump (proportional to the head developed by the pump).
One particle has a mass of 4.59 x 10-3 kg and a charge of +7.03 ?C. A second particle has a mass of 8.88 x 10-3 kg and the same charge. Find the initial separation between the particles
A transformer connected to a 100 V (rms) ac line is to supply 8.0 V (rms) to a portable electronic device. What rms current must the secondary supply
an 14 m by 8.5 m house is built on a concrete slab 27 cm thick. what is the heat-loss rate through the floor if the
Two long parallel wires carry currents of 2.71 A and 5.93 A. Find the separation distance of the wires
A bowling ball encounters a 0.760m vertical rise on the way back to the ball rack, as the drawing illustrates. find the gain in potential energy at the top
A 0.49 kg block attached to a spring with force constant 150 N/m is free to move on a frictionless, At that instant, find the force on the block
An ideal gas is compressed at constant pressure to one-half its initial volume. a)If the pressure of the gas is 150kPa , and 770J of work is done on it, find the initial volume of the gas.
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