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Q. A charge of -5.5 micro Coulombs is placed at the origin of a coordinate system. Another charge of -5.5 micro Coulombs is placed at x = +0.22 m, y = +0.15 m. A third charge of +6.9 micro-Coulombs is placed at x = -0.22 m, y = 0 m. What is the magnitude of total electric field on the charge at the point x = 0 m, y = +0.15 m in units of 1 x 106 N/C?
How much work did movers do (horizontally) pushing a 150-{rm kg} crate 10.6 m across a rough floor without acceleration, if the effective coefficient of friction was 0.50.
A ball of mass m makes a head-on-elastic collision with a second ball (at rest) and rebounds with a speed equal to one-fourth its original speed. What is the mass of the second ball.
The Saturn's ring has a diameter of about 2.00x10^5km and the distance between the Earth and the Saturn is 1.40x10^9km. Based on your calculation on resolution power, will the ring be visible in telescope.
Charge of uniform density (80 nC/m^3) is distributed throughout a hollow cylinder region formed by two coaxial cylindrical surfaces of radii 1.0 mm and 3.0 mm. Determine the magnitude of the electric field at a point which is 2.0 mm from the symmetry..
find static friction between the chair and the floor.
If the contact time with the sidewalk is 1800s, what is the magnitude of an average force exerted on the superball by the sidewalk.
Suppose that the light is incident at right angles to the film. what is the minimum distance from the slits to the screen when 580 nm light is used.
What is the angular velocity in rad/s . What is the least pressure obtained inside the bottle? What will happen when this pressure is reached.
On a safari, you are spearfishing while wading in a river. You observe a fish gliding by you. If your line of sight to the fish is 64.0° below the horizontal in air, and suppose the spear follows a straight-line path through the air and water afte..
Conclude a rough "scale factor" or "plate scale." Measure the distances in mm or cm between each of the marked wavelengths and average the results.
Which kinetic energy equals to rotational motion
A 4.1kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.3m/s2, find the force exerted by the rope on the bucket.
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