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Consider the vectors A with arrow = 3.00 i + 5.00 j and B with arrow = 5.00 i - 5.00 j.
(a) Calculate C with arrow and Darrowbold in terms of unit vectors. C with arrow = i + j Darrowbold = i + j
(b) Calculate C with arrow and Darrowbold in terms of polar coordinates, with angles measured with respect to the positive x axis. vector C with arrow magnitude direction ° counterclockwise from the +x axis vector Darrowbold magnitude direction ° counterclockwise from the +x axis
In the physics lab a metal spring is stretched 10cm vertically downward by a 500 g mass attached to it. How much would the similar spring with the same attach mass stretn themon? The mass of the moon is 7.35 x 10 to the 22kg, gravity is 1.62 m/s a..
A spherical mirror has a radius of curvature of + 30cm. An object that is 8.0 cm tall is placed 20 cm in front of the mirror. a) What is the position at which the image is formed? b) What is the height of the image? c) Is the image real or virt..
why didn't they just ask for the resultant vector in the first place, instead of having me think that there's some kind of z-axis involvement at hand?
The base of an aluminum block, which is fixed in place, measures 90 cm by 90 cm. The shear modulus of aluminum is
A uniform cylindrical disk has a radius of .01 and a mass of 4.0 kg. What is the rotational inertia of this object about the nail
If 15 g of radon gas with a half-life of 4 days is present in a balloon at t = 0, what is the mass of radon gas present
radium ra decays to radon rn which decays to polonium. if at t 0 a sample is pure radium how much polonium does it
Explain the working of arefrigerator and how the various parts are designed to enhance its working.
A 30g dart is shot straight up at 10m/s . At the same instant, a 24g ball of cork is dropped from 2.0m above the dart. What is the speed of the cork ball immediately after it is hit by the dart
Three identical boxcars are coupled together and are moving at a constant speed of 28.0 on a level, frictionless track. What is the speed of the four cars
A long string is wrapped around a 6.60 diameter cylinder, initially at rest, that is free to rotate on an axle. The string is then pulled with a constant acceleration of 1.70 until 1.30 of string has been unwound. If the string unwinds without slippi..
a 25cm length of 0.26mm diameter nichrome wire is welded into a circular loop. the loop is placed between the poles of
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