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A string of length L vibrates at its fundamental frequency. The amplitude at a point ¼L from one end is 5.40 centimeter.
Find the amplitude of each of the traveling waves that form this standing wave?
An instructor wants to use a lens to project a real image of a light bulb onto a screen 2.20 m from the bulb. In order to get the image to be three times as large as the bulb, what focal length lens will be needed?
The Earth's nearly circular orbit around the sun has a diameter of 300 million km. Assuming it takes 365 days for the Earth to make one complete trip around the sun, find the acceleration of the Earth toward the sun.
A small, plastic sphere of mass m = 111 g is attached to a string There is an electric field of 122 N/C directed along the + x axis
how does the force curve compare to the distance curve? what differences are there? what would you say is the
When a 24.0-? resistor is connected across a 12.0-V battery, a current of 482 mA flows. What is the resulting terminal voltage of the battery
The kinetic energy of an object is increased by a factor of 7, by what factor is the magnitude of its momentum changed
in a newtons-rings experiment a plano-convex glass n 1.52 lens having radius r 4.20 cm is placed on a flat plate as
q1. a ball in flight is recorded and analyzed using digital video analysis software. the analysis produced the result
To monitor the breathing of a hospital patient, a thin belt (a 200-turn coil) is placed around the patient's chest. Suppose that the belt has a radius of 20cm and when the patient inhales, the belt expands to a radius of 20.5cm.
A bicyclist is sitting on her bike on the side of the road when she sees her friend riding up behind her on his bike at a constant speed of 6.9 m/s. How long does it take her to catch up with him
Light of wavelength 5.60 102 nm illuminates a pair of slits separated by 0.320 mm. If a screen is placed 2.10 m from the slits, determine the distance between the first and second dark fringes.
A subway train starts from rest at a statrion and accelerates at a rate of 1.65m/s^2 for 14.2s. Find the total distance covered
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