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Four charges, Aq, Bq, Cq, and Dq (where q = 2.25 ×10?7 C), sit in a plane at the corners of a square whose sides have length d = 82.5 cm. A charge, Eq, is placed at the origin at the center of the square. (Note that A, B, C, D, and E are integer multipliers.) DATA: A = 4, B = 6, C = 7, D = 4, E = -3. Consider the charge at the center of the square, Eq. What is the net x-component of the force on this charge? What is the net force, in the y-direction, on the center charge, Eq?
A train at a constant 75 km/h moves east for 48 min, then in a direction 61.0° east of due north for 11min, and then west for 67 min.
A person with perfect pitch sits on a bus bench listening to the 450 Hz horn of an approaching car. If the person detects the frequency of 470 Hz, how fast is the car moving.
Two identical small insulating balls are suspended by separate 0.22-m threads that are attached to a common point on the ceiling. Each ball has a mass of 8.10 10-4 kg.
A rocket is launched at an angle of 52° above the horizontal with an initial speed of 103 m/s. The rocket moves for 3s along its initial line of motion with an acceleration of 32 m/s2. At this time, its engines fail and the rocket proceeds to move..
what is the magnitude of the net force acting on ball.
A particular organ pipe can resonate at 213 Hz, 355 Hz, and 497 Hz, but not at any other frequencies in between. What is the fundamental frequency of pipe.
How to compute for the density of dark matter estimate mass density of dark matter in the solar neighbourhood. Express the answer in units of kg m-3, Msun pc-3, Msun AU-3.
An airplane is flying with a velocity of 93at an angle of 25 above the horizontal. When the plane is a distance 103 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment.
A 2.62 kg mass attached to a light string rotates on the horizontal, frictionless table. The radius of the circle is 0.4207 m, and string can support a mass of 14.70 kg before breaking.
A person desires to reach a point that is 3.40 km from her present location and in a direction that is 350 north of east. However, she must travel along streets that are oriented either north-south or east-west. What is the minimum distance she mi..
Compute the ground state energy and wavefunction
Determine out the greatest possible angular speed it can have for the matter at the surface of the star on its equator to be just held in orbit by the gravitational force.
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