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A piano string having a mass per unit length equal to 4.00 × 10-3 kg/m is under a tension of 1100 N. Find the speed with which a wave travels on this string.
Unexpectedly, is about the similar for the muscles of all animals and has the numerical value of in SI units.
A bowling ball (solid sphere mass=7.27 and radius=12.7cm) is rolling on level ground at a constant angular speed of 55rad/s. what is the total kinetic energy of the ball?
Two point charges 2.0cm apart have an electric potential energy -310uJ. The total charge is 15nC. What is the lesser charge
Coherent light with wavelength 546 nm passes through two very narrow slits, and the interference pattern is observed on a screen the distance of 3.00 {rm m} from the slits. The first-order bright fringe is a distance of 4.86 {rm mm} from the center o..
Inside a sealed wooden box of mass M there hangs, by a thread of negligible mass, a lead pellet also of mass M. What is the acceleration of the center of mass of the system of box
When a 2.00-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 2.89 cm. If the 2.00-kg object is removed, how far will the spring stretch if a 1.00-kg block is hung on it
If an piece of Iron (c = 450 J/kg C) at 65.00 C is dropped into .250 kg of ethyl alcohol at 25.00 C and the final temperature of the two comes to 35.00 C what was the mass of the piece of iron
The starter motor of a car engine draws a current of 160A from the battery. How much charge passes through the starter motor
A certain digital camera having a lens with focal length 7.5 cm focuses on an object 1.80m tall that is 4.35m fromt he lens. How far must the lens be from the photocells
A uranium and iron atom reside a distance R = 51.10 nm apart. The uranium atom is singly ionized; the iron atom is doubly ionized, What is the magnitude of the force on the electron from the uranium ion
A skier starts from rest at the top of a hill that is inclined at 12.0° with the horizontal. The hillside is 180.0 m long, and the coefficient of friction between the snow and the skis is 0.0750. At the bottom of the hill, the snow is level and the c..
Transverse waves on a string have wave speed , amplitude , and wavelength . The waves travel in the -x direction, andat the end of the string has its maximum upwarddisplacement. Find the frequency of these waves.Find the wave number of these waves..
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