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A charge of 6.00mC is placed at each corner of a square 0.260m on a side.
1. Decide the magnitude of the force on each charge
2. Decide the direction of the force on each charge
a cruise ship leaving port, travels 50.0 km45 degrees north of west and then 70.0 km at a h3eading 30 degreesnorth of east. Find the ship's displacement vector
An ac power generator produces 24 A rms at 4909 V. The voltage is stepped up to 86000 V by an ideal transformer, What percentage of the power delivered by the generator is dissipated as heat in the power line
a bat flies toward a wall emitting a steady sound with a frequency of 24.0 . this bat hears its own sound plus the
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A 1,000.0 kg car with a speed of 90.0 km/h brakes to a stop. How many calories of heat are generated by the brakes as a result
A pendulum is made with a 4.00 kg mass suspended at the end of a 75.0 cm thin rod. What is the velocity of the pendulum as it passes through the origin
The loaded car of a roller coaster has mass M = 320 kg. It goes over the highest hill with a speed v of 21.4 m/s. What is the force (N) that the track must exert on the car
an aluminum tape measure is accurate at 20o c. if the tape measure is placed in a deep freeze at -5.0o c what would be
The index of refraction for red light in water is 1.331 and that for blue light is 1.340. A ray of white light enters the water at an angle of incidence of 60.8°
Two banked curves have the same radius. Curve A is banked at an angle of 11°, and curve B is banked at an angle of 19°. At what speed can this car travel around curve B without relying on friction
Two pianos each sound the same note simultaneously, but they are both out of tune. On a day when the speed of sound is 347 m/s, How much time separates successive beats
A simple gear train is composed of three gears. Gear A os tje driver and has 8 teeth, gear B has 24 teeth, and gear C has 16 teeth. If gear A rotates at 60rpm, how fast is gear C rotating? If the output of torque at gear C is 150ft-lb, what is the in..
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