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Four point charges are located at the corners of a square with each side of length (l) = 5.0 cm, as shown in the figure from the last problem. Charge q1 = q2 = +2.0 μC and charge q3 = q4 = +1.0 μC. Assume that a charge q5 = -2.0 μC is placed at point P. What is the force in unit vector notation on charge 5 due to other four charges?
At what speed must the player throw the basketball so that the ball goes through the hoop without striking the backboard
A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity of +19.9 m/s in a time of 28.9 s. What is the tension in the hitch
a test charge of +3x10-7 C is located 5cm to the right of a charge of -4x10-6 C and 10 cm to the left of a charge of -1x10-6 C.the three charges lie on a straight line. find the force on the test charge
A thin spherical shell of mass 0.450 kilogram and diameter 0.230 meter is filled with alcohol (ρ = 806 kg/m3). Evaluate the acceleration of the alcohol-filled shell as it starts to rise toward the surface of the water
a conducting sheet carries a surface current density of k amperesmeter. there are no other currents in the vicinity.a-
You are the captain of spaceship A that leaves Earth at t=0traveling at 0.6c. find the relative speed of one spaceship as seen by the other
A 255 kilogram piano slides 4.2 meter down a 30 degrtee incline and is kept from accelerating by a person who is pushing back on it parallel to the incline. estimate the work done by the man on the piano
A rocket of total mass M and with burnout mass 0.20 M attains a speed of 3 200 m/s after starting from rest in deep space. Evaluate the exhaust velocity of the rocket?
A person is standing at the edge of the water and looking out at the ocean (see figure). The height of the person's eyes above the water is h = 1.8 m, and the radius of the Earth is R = 6.38 x 106 m. (a) How far is it to the horizon? In other word..
An electron moving to the right at 1.0% the speed of lightenters a uniform electric field parallel to its direction ofmotion. what direction is required for the electric field
As a particle moves from the origin to (1i + 7j) m, it is acted upon by a force given by (2i + 6j) N. Calculate the work done by this force on the particle
A large gate weighing 145 N is supported by hinges at the top and bottom of the wooden frame, and is further supported by a wire. What is the sum of the vertical forces on the hinges
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