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A charge of +q is located atthe origin, while an identical charge is located on the xaxis at x = 0.43 m. A thirdcharge of +3q is located on the x axis atsuch a place that the net electrostatic force on the charge at the origin triples, its directionremaining unchanged. Where should the third charge be located?
Two lenses, one converging with focal length 20.5 cm and one diverging with focal length - 12.0cm , are placed 25.0 cm apart. Determine the magnification of the final image formed
The drag force acting on a sphere moving through a liquid like water is given by F=6?vr? where F is the drag force, v is velocity of the sphere, r is radius of the sphere, What are the dimensions of viscosity
A painting of mass 3.20 kg hangs on a wall. Two thin pieces of wire, each 0.250 m long, connect the painting's center to two hooks in the wall. how much tension is in each piece of wire
The ideal gas law relates the temperature, pressure and volume of an ideal gas. How many molecules of gas are inside the balloon
A crate of potatoes of mass 8.0 kg is on a ramp with angle of incline 30° to the horizontal. The coefficients of friction are μs = 0.72 and μk = 0.43. Find the frictional force (magnitude and direction) on the crate if the crate is sliding up t..
An object 5 millimeters high is located 15 millmeters in frontof a plane mirror. How far from the mirror is the image located
A particular engine has a power output of 5.00 kW and an efficiency of 22.0%. Assume theengine expels 8000 J of energy in eachcycle. Find the energy absorbed in each cycle
You are a space traveller and you land on the surface of a new planet. You decide to drill a tunnel through the center of the planet to the opposite side of the planet. How long will it take to make it to the other side of the planet
The Earth can be approximated as a sphere of uniform density, rotating on its axis once a day. The mass of the Earth is 5.97×1024 kg, the radius of the Earth is 6.38×106 m, and the time of rotation for the Earth is 24.0 hrs.
Pluto's moon Charon orbits Pluto every 6.4 days with a semimajor axis of 19,700 kilometers. Calculate the combined mass of Pluto and Charon
A ray of light traveling in air is incident on the flat surface of a piece of glass at an angle of 66.5° with respect to the normal to the surface of the glass, what is the refractive index of the glass
A physics lab demonstrates the principles of simple harmonic motion (SHM) by using a spring affixed to a horizontal support, calculate the spring constant
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