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A 29-cm-circumference loop of wire has a resistance of 0.17 Ω . The loop is placed between the poles of an electromagnet, and a field of 0.45 T is switched on in a time of 15 ms.
What is the induced current in the loop?
Blocks A (mass 6.50 kilogram) and B (mass 12 kilogram) move on a frictionless, horizontal surface. Determine the velocity of each block after they have moved apart
A comet orbits the Sun with a period of 83.77 years. The comet's distance of closest approach to the Sun (perihelion) is 1.087 AU. What is the maximum distance of the comet from the Sun
A 0.14 meter string clamped at both ends under a tension of 16 N has a fundamental frequency of 135 Hz. What is the mass density of the string
assume the mass of the object remains constant. a if the kinetic energy of an object changes by 13 by what factor has
A series RCL circuit driven at angular frequency %u03C9 = 505 rad/s has a capacitive reactance XC = 851 %u03A9, What is the total impedance
Two planes approach each other head-on. Each has a speed of 705 km/h, How much time do the pilots have to take evasive action
a cylindrical cable with 2.49 x 10-8 m resistivity carries a current of 1500 a. there is a potential difference of 1.8
A violin string 12.5 cm long and fixed at both ends oscillates in its n = 5 mode. The speed of waves on the string is 268 m/s, and the speed of sound in air is 348 m/s. What are (a) the frequency and (b) the wavelength of the emitted sound wave?
A person with a near point of 90 cm needs to read from a computer screen that is 44 cm from her eye. Find the focal length of the lenses in reading glasses that will produce an image of the screen at 90 cm from her eye
Assume you have 2 mol of O2 gas. Determine how many coulombs of positive charge are contained in this gas in the atomic nuclei
What is the de Broglie wavelength of an object with a mass of 1.3 kg moving at a speed of 2.3 m/s? (Useful constant: h = 6.63×10-34 Js.)
A 1.00 kg block is sitting on the top og a 10.0kg cart that is free to move on a horizontal surface. What is the maximum horizontal acceleration the cart can have
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