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Two strings of identical mass and length are stretched with their ends fixed, but the tension in one string is 1.10 times greater than in the other. Waves on the string with the lower tension propagate with the lower tension propagate at 35.2 m/s. The fundamental frequency of that string is 258 Hz. What is the beat frequency when each string is vibrating at its fundamental frequency?
A child's toy consists of a piece of plastic attached to a spring in the figure below. The spring is compressed against the floor a distance of 2.00 cm, estimate the force constant of the spring
A projectile is fired vertically from Earth's surface with aninitial speed of 10 km/s. Neglecting air drag, how far above the surface of Earth will it go
A cannon fires a cannon ball at 999.16 m/s in a straight line that passes directly over an observer's head. how far is the cannon from the observer
Two disks are mounted on frictionless bearings on the same axle and can be brought together so that they couple and rotate as one unit. what is the angular speed after coupling
A wrench is used to tighten a nut. A force of 15 N is applied a distance 8.0 cm from the axis of rotation of the nut; the lever arm is 8.0 cm long
A lens placed at the origin with its axis pointing all along the x axis produces a real inverted image at x=-24cm that is twice as tall as the object. What is an image distance.
Gravity fed intravenous infusions are made possible by hanging a bag of fluid above the patient. If blood pressure is 18 mm Hg above atmospheric pressure, find the minimum height of the bag such that fluid flows into the body. Assume the density of t..
A positively charged particle of mass 6.20 multiply.gif 10-8 kg is traveling due east with a speed of 50 m/s, What is the magnitude of the magnetic force acting on the particle
While a roofer is working on a roof that slants at 44.0 above the horizontal, he accidentally nudges his 93.0 toolbox, causing it to start sliding downward, starting from rest.
The nucleus of Be (atomic mass=8) is an unstable isotope of beryllium, and decays into two alpha particles (helium nuclei) via the process 8Be "decays to" 4He+4He. Find the kinetic energy of each of the alpha particles
On a friction less horizontal air table, puck A w/ mass 0.250 kg is moving towards puck B w/ mass 0.350 kg that is initially at rest. What was the speed of puck B before the collision
A reflecting telescope has a main mirror with fM = 570 mm. If an eyepiece with a magnification of 45 is used, what is the total magnification of the telescope
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