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Two identical guitar strings are stretched with the same tension between supports that are not the same distance apart. The fundamental frequency of the higher-pitched string is 500Hz, and the speed of transverse waves in both wires is 125 m/s. How much longer is the lower-pitched string if the beat frequency is 4Hz?
Find the minimum initial speed of a projectile in order for it to reach a height of 2135 km above the surface of the eartH
The wheels of an automobile are locked as it slides to a stop from an initial speed of 30.0 m/s, approximately how long does it take the car to stop
You might have seen basketball showoffs spinning a ball on the tip of a finger. If such a player performs 1.93 J of work to set the ball spinning from rest, at what angular speed will the ball rotate
An ice cube sliding along the ground at 5 m/s goes off a ramp pointed straight up as shown, What is the speed of the ice cube when it comes down, just before it hits the ground
The Doppler effect using ultrasonic waves of frequency 2.25×10^6 Hz is used to monitor the heartbeat of a fetus. find the maximum velocity of the surface of the beating heart
present an explanation of why you selected each activity and how it can contribute to the prenatal, postpartum, and future development of each woman's child.
The heater element of a toaster is 5.40m length of nichrome wire, whos diameter is 0.480mm. What is the power drawn by the toaster
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with an acceleration of -5.60 m/s^2 for 4.20s, making straight skid marks 62.4m long ending at the tree. At what speed does it hit the tree?
we have a parallel plate capacitor separation of 0.2mm capacitance C0= 21 nF we fill it with 20g of silicone oil & density 520 kg/m^3, find the max charge on the plate before dielectric breakdown
Source charge Q1= -3.00nC located at (0, 5.00mm). Source charge Q2= +2.00nC located at the origin. Find the Magnitude & direction of the net electric field
What is the greatest amount through which the wavelength of an incident photon could change when it undergoes Compton scattering from an atom or molecule with a 19 u mass.
Gamma rays of photon energy 0.458 MeV are directed onto an aluminum target and are scattered in various directions by loosely bound electrons there. find the photon energy of the rays scattered in this direction
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