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Two identical pieces of rope, 10 m long, have mass per unit length, μ = 0.10 kg/m. One of the two is soaked in water and absorbs an additional 1.0 kgof mass. The two ropes are then attached together and stretched horizontally under a tension of 200 N. (a) How long will it take for a single wave pulse to travel the 20m length of the two ropes? ( neglect any seepage of water from one rope to the other) b) If we want to have the pulse spend equal amounts of time on wet and dry ropes, how much rope must we cut off, and at which end ?
a golfer imparts a speed of 30.0 ms to a ball and it travels the maximum possible distance before landing on the green.
A wave of amplitude 0.40 m interferes with a second wave of amplitude 0.3 m traveling in the same direction. (a) What is the largest resultant amplitude that can arise.
A train slows down as it rounds a sharp horizontal trun,going from 90km/h to 50.0km/h im the 15.0s it takes to round thebend. the radius of the curve is 150m. Compute the acceleration atthe moment the train speed raches 50.0km/h . Assume the train..
A small block with mass m1 rests on a frictionless horizontal tabletop a distance r from a hole in the center of the table. A string tied to the small block passes down through the hole, and a larger block m2 is suspended from the free end of the ..
Azelastine hydrochloride is an antihistamine nasal spray. A standard size container holds one fluid ounce (oz) of the liquid. You are searching for this medication in a European and are asked how many milliliters (mL) there are in 3.7 fluid ounces..
A person runs 3.0 miles to the northwest (45 degrees with respect to the WE line), then 3.5 miles south. What is the persons net displacement
A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a frequency of 9.47 104 Hz, and if the speed of sound in air is 343 m/s, what is the smallest i..
A 0.700 kg ball is on the end of a rope that is 1.30m in length.The ball and rope are attached to a pole and the entire apparatus,including the pole, rotates about the pole’s symmetry axis.The rope makes an angle of 70.0 degrees with respect to theve..
What quantum number of the hydrogen atom comes closest to giving a 500-nm-diameter electron orbit?What is the electron's speed in this state? What is the electron's energy in this state
A spherical balloon is made from a material whose mass is 2.57 kg. The thickness of the material is negligible compared to the 1.22-m radius of the balloon. Find the absolute pressure of the helium gas
find the frequency of revolution of the electron in the classical model of the hydrogen atom. in what region of the
A 3.0 m tall, 60 cm diameter concrete column supports a 205,000 kg load. By how much is the column compressed
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