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Two identical conducting spheres, fixed in place,attract each other with an electrostatic force of -0.7250N when separated by 50 cm, center-to-center. Thespheres are then connected by a thin conducting wire. When the wireis removed, the spheres repel each other with an electro staticforce of 0.1740 N. What were the initial charges on the spheres? Since one is negative and you cannot tell which ispositive or negative, there are two solutions. Take the absolutevalue of the charges and enter the smaller value here.
while you take a bath, how many kilograms of hot water (50°C) have to you mix with cold water (11 °C) so that the temperature of the bath is 36 °C? The total mass of water (hot plus cold) is 194 kg. Ignore any heat flow between the water and its e..
Suppose a 5.40 m diameter telescope were constructed on the Moon, what minimum separation between two objects
A 0.39 V potential di?erence is maintained across a 1.7 m length of tungsten wire that has a cross-sectional area of 0.85 mm2, What is the current in the wire
After our Sun exhausts its nuclear fuel, its ultimate fate may be to collapse to a white dwarf state, Calculate the average density of this white dwarf
q.1 a driver is driving at 68 mihr on a straight highway. he sees an accident on the road in front of him so he slams
A movie camera with a (single) lens of focal length 95 mm takes a picture of a person standing 28 m away. what is the height of the image in millimeters on the film
write an algebraic expression for the total pressure on the diver at that point and calculate the total pressure on the diver in atms
Electrons with a speed of 1.6×10^6m/s pass through a double-slit apparatus. What speed must neutrons have to produce interference fringes with a fringe spacing of 1.6mm
A car of 1200 kg mass enters an unbanked, curved roadbed of radius 70 m. find the maximum speed with which the car can take the turn
A force of 17 N is applied to the end of a 0.63 m long torque wrench at an angle 45° from a line joining the pivot point to the handle
An inductor, a capacitor, and a 64.0-? resistor are connected in series with an AC generator; the generator produces an RMS voltage of 90 V. what is the average power output of the generator
A spring loaded ballistic pendulum gun requires an increasing force to load, Calculate the work required to load the gun
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