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Q1. A charge of -2.20 micro coulombs is located at (3.00m, 4.50m), and a charge of +3.60 micro coulombs is located at (-2.8m, 0m)
i.) What is the electric potential at origin?
ii.) There is one point on the line between the two charges where an electric potential is equal to zero. What are the x-y components of this point?
Q2. A robot probe drops a camera off the rim of a 455 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2.
Find out the velocity with which it hits the ground.
Response in units of m/s
Two spherical conductors are connected by a long conducting wire and a total charge of 20.0 μC is placed on this combination. One sphere has a radius of 4.0 cm while the other has a radius of 6.0 cm. Explain the reasoning of the steps that allow you ..
If an average frequency emitted by a 200,-,rm W light bulb is 5.00 times 10^{14} , {rm Hz}, and 10.0 percent of the input power is emitted as visible light, approximately how many visible-light photons are emitted per second .
How much time is spent in pushing the mower
Write down an equation for the radial component
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A shell, fired from a cannon, has a muzzle speed (the speed as it leaves the barrel) of 800 ft/s. The barrel makes an angle of 45o with the horizontal and, for ease; the barrel opening is assumed to be at ground level.
A 0.390 kg iron horseshoe that is initially at 745 °C is dropped into a bucket containing 24 kg of water at 46 °C. What is the final equilibrium temperature? Overlook any heat transfer to or from the surroundings.
A 2.0 kg ball swings in a vertical circle on the end of an 80cm long string. Calculate the speed, magnitude and direction of acceleration
Calculate torques about an axis
A 120 granite cube slides down a 45 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 210 steel cube at rest.
He would like a prescription for contact lenses to serve the same purpose. What is the exact contact lens prescription, in diopters.
Sea Launch mission planners are going to launch their Russian launch vehicle from a Lo = 3 degrees into LEO with an inclination of 34 degrees and the longitude of ascending node of 124 degrees. Current LST at the launch site is 1140.
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