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The electric field midway between two equal but opposite point charges is 878N/C , and the distance between the charges is 25.0cm. What is the magnitude of the charge on each (in C)?
Find the resulting angular speed of the disk (in rad/s) and describe the direction of rotation.
A spherical surface completely surrounds a collection of charges. Find the electric flux (with its sign) through the surface if the collection consists of (a) a single +1.90 × 10-6 C charge, (b) a single -2.40 × 10-6 C charge, and (c) both of the ..
An alert physics student stands beside the tracks as a train rolls slowly past. He notes that the frequency of the train whistle is 443 Hz when the train is approaching him.
Write a general expression of the flux
An incompressible fluid flows steadily through a pipe that has a change in diameter. The fluid speed at a location where the pipe diameter is 8 cm is 1.28 m/s. What is the fluid speed at a location where the diameter has narrowed to 4.00 cm.
The automobile afterwards undergoes a uniform acceleration of -4 m/s2 because of a red light and comes to rest. It remains at rest for 54.6s and next accelerates back to a speed of 25.6m/s at a rate of 2.85m/s2.
A rotating cylinder about 18km in length and 6km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that residents on it will experience the same acceleration because of gravity on Earth.
Determine the position of the GPS satellite relative to and from the center of the earth and ratio of clock rates on a GPS clock in orbit and one on the surface of the earth.
The equation of a transverse wave traveling in a string is given by y=A sin(k x??t). The tension in the string is 18.0 N, A = 1 mm, k = 22 rad/m, ? = 325 rad/s. What is the linear density of the string. I have the speed of the wave but i cant get ..
Find out distance the two drivers travel
A baseball pitcher throws a fastball at a speed of 45.00m/s. The acceleration occurs as the pitcher holds the ball in his hand and moves it throughout an almost straight-line distance of 4.0 m. compute the acceleration; assume that it is constant ..
Calculate the magnitude of the current density in the wire. Find out the work done by the hockey player on the puck. What is the change in kinetic energy of the puck.
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