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A thin gold ring of radius 1.02 cm carries a uniform charge per unit length of 1.02e-14 C/m. Find the electric field on the axis of the ring 1.09 cm from the center.
A 0.621-kg basketball is dropped out of a window that is 5.26 m above the ground. How much work is done on the ball by its weight
Draw the field lines for two infinitely long wires one running along the y axis and one running along the x axis, both charged uniformly with lambda C/m. Make an expression for the electric field E at any point in the xy plane in terms of x and y...
Two football players are initially 2m apart. At the same instant they accelerate towards each other, Draw a picture. Define your coordinate system
An object 1,75 cm high is placed 36 cm in front of a concave mirror of focal length 12 cm. Calculate the image distance and image hight mathematically; state if the image is real or virtual and include a ray diagram in your answer.
q1. a student calculates the frequency of a waveform produced through a tuning fork to be 303 hz. if the tuning fork is
A vector has an x component of -24.0 units and a y component of 36.4 units. Find the magnitude and direction of this vector
the outer wall of a building is constructed from concrete blocks. if the wall is 5.0 m long at 20 degrees celcius, How much shorter is it on a cold day
Over 500 planets have so far been detected beyond our solar system. This is accomplished by looking for the effect the planet has on the star. The star is not truly stationary; instead, it and its planets orbit around the center of mass of the sys..
A 0.075 kg arrow is fired horizontally. The bowstring exerts an average force of 65 N on the arrow over a distance of 0.9 m. With what speed does the arrow leave the bow
Find the coefficient of kinetic friction between a 4.2 kg block and the horizontal surface on which it rests if an 92 N/m spring must be stretched by 1.8 cm to pull the block with constant speed
Here is a simple heat engine: Start with 20 moles of monatomic gas, occupying 0.50 m3 of volume at 400 K. Calculate the temperature at the end of each process
question1you hold a brick at rest in your hand. a how numerous forces act on the brick? b recognize these forces. c are
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