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Two tiny conducting spheres are identical and carry charges of -16.6C and +56.3C. They are separated by a distance of 3.66 cm. (a) What is the magnitude of the force that each sphere experiences? (b) The spheres are brought into contact and then separated to a distance of 3.66 cm. Determine the magnitude of the force that each sphere now experiences.
The end point of a spring vibrates with a period of 1.9 seconds when a mass m is attached to it. When this mass is increased by 9.630×101 kg, the period is found to be 4.1 seconds. Find the value of m.
A particle of mass m is constrained to move between two concentric impermeable spheres of radii r = a and r = b (a
A helicopter rises vertically with a constant upward acceleration of 0.38 m/s^2 . As it passes an altitude of 20m , a wrench slips out the door. How soon does the wrench hit the ground? At what speed does the wrench hit the ground?
An asteroid is discovered heading straight toward Earth at 14km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 {rm min}, after which asteroid is moving at 26^circ to its original path at a..
A beam of electrons passes by a single slit and a beam of protons passes by a second, but identical slit. If the electrons and protons have the similar speed, that beam would experience the greatest amount of diffraction? Clarify your answer.
The parallel metal plate of a capacitor is separated by a distance of 0.5cm and is connected to a 90v battery. Discover an electric field between them and the surface charge density .
While standing on a bridge 45m above the ground, you drop a stone from rest. When the stone has fallen 4.90m, you throw a second stone straight down. What initial velocity should you give the second stone if they are both to reach the ground at th..
Compute the electric field needed to cause that acceleration, and the amount of charge that the Van de Graaff had accumulated. Note: Van de Graaff has a radius of 0.150 m.
A rock is tossed straight up with a velocity of 14 m/s When it returns, it falls into a hole 10m deep.
What is the tangential acceleration of a bug on the rim of a 13.0-in.-diameter disk if the disk accelerates uniformly from rest to the angular speed of 77.0 rev/min in 3.40 s.
The electric field at point P just outside the outer surface of a hollow spherical conductor of inner radius 15 cm and outer radius 31 cm has magnitude 465 N/C and is directed outward.
On a summer day, the air conditioning breaks down and the air in your classroom becomes very warm and muggy with a vapour pressure of 20 hPa and a temperature of 25o C.
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