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A 3.6cm -diameter isolated metal sphere carries a net charge of 0.90uC.
(A) What is the potential at the sphere's surface?
(B) If a proton were released from rest at the sphere's surface, what would be its speed far from the sphere?
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. What is the weight of the heaviest bear that the ice can support without sinking completely beneath the water
A sports car accelerates with constant acceleration from rest to a speed of 31.57 m/s in 4.127 s. The angular acceleration of the rear wheels is 17.75 s-2. What is the radius of the rear wheels
Three 3 uC charges are at the three corners of a square of side 0.50 m. The last corner is occupied by a -3.0 uC charge. Find the electric field at the center of the square
Differences in analysing a roller coaster system as particle and rigid body, such as the assumption(s) made when treating the roller coaster as particle, parameters involved in kinematic and kinetic analysis.
If a 93.0-V emf is connected to the terminals A and B and the current in the 4.0-? resistor is 16.8 A, what is the value of the unknown resistor R
The intensity of the sound wave from a jet airplane as it is taking off is 114 W/m2 at a distance of 4.3 m. What is the intensity of the sound wave
A rock of mass 47 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 252 N. Determine the magnitude of the acceleration of the rock
An evacuated spherical diving bell containing a camera is in the ocean at a depth of 187 m. Find the magnitude of the total force on the port
A silicon solar cell looks like a battery with a 0.33Vterminal voltage. What is the solar cell's efficiency-that is, what percentage of the energy incident on the cell is converted to electric energy
It was a dark and stormy night, when suddenly you saw a flash of lightning. how far away was the lightning bolt
The wave function y(x, t) for a certain standing wave on a string fixed at both ends is given by y(x, t) = 3.70 sin (0.220x) cos (270t), What is the speed of transverse waves on this string
In an explosion, an object breaks down into two pieces, M1 and M2. M2 flies away at 3 times the speed of M1. Which mass has more momentum immediately after the explosion
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