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Q. If the string is 9.5 m long, has a mass of 45 g and is pulled taut with a tension of 8.0 N, how much time does it take for a wave to travel from one end of the string to the other?
Q. A narrow column of air is found to have standing waves at frequencies of 360 Hz, 480 Hz, and 600 Hz and no frequencies in between these. The behavior of the tube at frequencies less than 360 Hz or greater than 600 Hz is not known. How Long is the tube? Draw a displacement graph of the 520 Hz standing wave in the tube. The air is replaced by carbon dioxide which has a sound speed of 280 m/s what are the new frequencies of these three modes?
Setting a world record in a 100m race, Maggie and Judy cross the finish line in a dead heat, both taking 10.0 s. Accelerating uniformly, Maggie took 2.0 s and Judy 2.5 s to attain maximum speed that they maintained for the rest of race.
While john is travelling along an interstate highway, he notices a 160 mile marker as he passes through town. Later John passes another mile marker, 119.
An archer pulls her bow string back 0.40m by exerting a force that increases uniformly from zero to 25 N. How much work does the archer do in pulling back the bow.
Determine the post fault currents between all buses and from the generators.
Would a plucked guitar sting vibrate for a longer time or a shorter time if the instrument had no sounding board? explain.
Three springs each hang from a ceiling with a stationary block attached to the lower end. The blocks (with m1> m2 > m3) stretch the springs by equal distances. Each block-spring system is then set into vertical SHM. Rank the masses according to the p..
The sunlight reaching the earth has a maximum electric field 810 V/m. compute the maximum magnetic field associated with it.
A bus travelling along the straight road at 100km/hr-1 and the bus conductor make at 6kmhr-1 on the floor of the bus in the same direction on the bus. Find the speed of the conductor relative to road and relative to the bus. If the bus conductor now ..
You bring a 350-g wrench into the house from your car. The house is 15 C warmer than the car, and it takes 2.52 kJ of energy to warm the wrench by this amount. Find (a) heat capacity of the wrench and (b) specic heat of the metal it's made from.
Mike pulls a sled across level snow with force of 235 N along a rope that is 35.5° above the horizontal. If the sled moved the distance of 75.0 m, how much work did Mike do.
A crate with mass 35.5 initially at rest on a warehouse floor is acted on by a net horizontal force of 120. What acceleration is produced.
After the collision, the 2.00-kg object has a velocity 5.00 m/s to the west. How much kinetic energy was lost throughout the collision.
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