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A line charge with a variable linear charge density lambda(x) = cx stretches along the x-axis from x=0 to x=L. The total charge is Q.
a) Calculate the constant c in terms of L and Q.
b) Calculate the electric field vector at r→=0.
A particle is projected on a frictionless surface in their direction at a speed of v = 10 m/s. It bounces off of a moving block that's moving at a constant speed of = 5 m/s. The coefficient of restitution between theparticle and block is e = 0.84. So..
An object is placed 53.0 cm from a screen. Find the magnification of the lensmagnification if placed at the shorter distance magnification if placed at the farther distance
Suppose your body was able to use the chemical energy of gasoline. How far could you pedal a bicycle at 15 km/hr on the energy in 3.0gal of gas
A raft is 4.4cm wide and 6.2m long. When a horse is loaded onto the raft, it sinks 2.7cm deeper into the water. What is the weight of the horse
A 4020 kg roller coaster crests a 24 m high hill with negligible speed. The roller coaster loses 44 kJ of energy on the way down. Determine the speed of the roller coaster
a steam pipe is covered with 1.50 cm thick insulating material with a thermal conductivity of 0.200
a tube is open at only at one end. a certain harmonic produced by the tube has a frequency of 465 hz. the next higher
In the model of hydrogen atom created by Niels Bohr, the electron moves around the lone proton in the nucleus at a speed of 2.2 x 106 m/s in a circle with radius 5.3 x 10-11 meter. Determine is the total energy positive or negative
A flea's eye having a diameter of 0.003 mm is examined under a microscope. If the microscope has a magnification of 500X, determine the size of the image of the eye
what is the magnitude and direction of the force. explain the magnitude and direction of the force she exerts on you?
A person can see clearly up close, but cannot focus on objects beyond 82.0cm . She opts for contact lenses to correct her vision. Is she nearsighted or farsighted? Is she nearsighted or farsighted?
A boxer stops a punch with his head. To approximate the force of the blow, treat the opponent's glove, hand, and forearm as aparticle of mass 1.68 kg moving with aninitial velocity of 21.5 m/s.
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