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3. How many excess electrons must be added to an isolated spherical conductor 0.100 meters in diameter to produce an electric field of 1800 N/C just outside the surface?
The crane is pulling up with a force of 216N and the box is being down by gravity with a force of 127 N draw a free body diagram and determine what the net force is and in what direction it is acting.
2. A long straight wire has a charge per unit length of 3.00 x 10^-12 C/m. At what distance from the wire is the electric field equal to 0.600 N/c.
Tyrone and John are playing tug-of-war against Jamie and Bronn. Timer is pulling with a 9 N of force, John is playing with a 17 N force, Jamie is pulling with a 13 N Of force and brown is pulling with a 8 N of force. Draw free body diagram and determine what the net force is and in what direction it is acting?
Determine the force in each member of the loaded truss. All triangles are isosceles.
To avoid a potential collision with wildlife cross the road, the driver of a car traveling 105 km/h fully applies the brakes to stop as quickly as possible. If the car stops 3.8 s after the brakes are applied, what is the braking distance ?
An aluminum disk is held between the poles of a powerful magnet and then pulled out. The person pulling on the disk feels an opposing force due to currents induced through Faraday's law. Explain why the magnitude of the force becomes larger as the disk is pulled faster.
The elevator and its passenger together have a mass of 1200.0 kg. While moving upwards, the elevator slows down from 10 m/s to 0 m/s in 2.5 seconds. How much tension (in N) must be in the cable during that time? (Use g=10N/kg)
A crane is raising a box of Star Wars action figures so it can be put on a barge to be shipped to its eager recipients. The crane is pulling up with the force of 216N . The box is being pulled down by gravity with a force of 127N . Draw a Freebody diagram and determine what the net forces and then what direction it is acting.
Paula is pulling on an object with 21 N Force. Friction is pushing back against the object with a force of 14 N . Draw a Freebody diagram and determine what the net forces, and in what direction it is acting
