Calculate the electric field at one corner of a square
Calculate the electric field at one corner of a square 1.10 m on a side if the other three corners are occupied by 4.30 multiplied by 10-6 C charges.
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A flywheel having constant angular acceleration requires 5.00 to rotate through 166 . Its angular velocity at the end of this time is 101 . Find the angular velocity at the beginning of the 5.00 interval; the angular acceleration of the flywheel.
Ricardo and Jane are standing under a tree in the middle of a pasture. An argument ensues, and they walk away in different directions. Ricardo walks 27.0 in a direction 60.0 west of north. Jane walks 14.0 in a direction 30.0 south of west. They th
A spring is hung from the ceiling. Attaching a 500 g physics book to the spring causes it to stretch 20 cm in order to come to equilibrium. What is the spring constant?
A baseball outfielder throws a 0.150 kg baseball at a speed of 41.0 m/s and an initial angle of 33.0°. What is the kinetic energy of the baseball at the highest point of its trajectory?
A kayaker needs to paddle north across a 100 wide harbor. The tide is going out, creating a tidal current that flows east at 2.0 . The kayaker can paddle with a speed of 3.0 . In which direction should he paddle in order to travel straight across
A flat (unbanked) curve on a highway has a radius of 220.0 m. A car rounds the curve at a speed of 25.0 m/s. (a) What is the minimum coefficient of friction that will prevent sliding?
What is the minimum coefficient of friction between tires and road that will allow cars to take the turn without sliding off the road? (Assume the cars do not have negative lift.)
A five-slit system with 9.0 slit spacing is illuminated with 615 light. Find the angular positions of the first two maxima.Find the angular positions of the third and sixth minima.
Which of the following are true statements about friction?
You need a transformer that will draw 15 W of power from a 220 V (rms) power line, stepping the voltage down to 6.0 V (rms). What will be the current in the secondary coil?
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