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Two identical insulating balls are suspended by a seperate 0.25m threads that are attached to a common point on a ceiling. Each ball has a mass of 8.0 x 10E-4 Kg. At first the balls are uncharged and hang straight down. They are given identical positivecharges and as a result spread apart with an angle of 36 degrees between the threads. Determine a) the charge on each ball and b) the tension in the threads.
q1. a 1250 n uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. a w
A television screen is illuminated using a beam of electrons traveling at 7.50×106 m/s in a 1.75×10?2 T magnetic field. find the direction of the acceleration of the electron
A car of mass m = 1190 kg is traveling down a ? = 14 degree incline. When the car's speed is v0 = 18 m/s, Calculate the distance the car travels down the hill L in meters until it comes to a stop at the end
Three springs, connected in series, with K1 =30, K2 = 40 and K3 = 50 N/m are suspended vertically with a 20 kg mass attached to the bottom. What frequency will the three-spring system oscillate?
A projectile is fired at such an angle from the horizontal that vertical component of its velocity is 49 m/s. The horizontal component of its velocity is 61 m/s.
A uniform thin rod of length 0.40 m and mass 3.0 kg can rotate in a horizontal plane about a vertical axis through its center. what is the bullet's speed just before impact
a Pilot sets up a simple accelerometer in the cockpit of his plane by hanging a small pendulum. What is his acceleration at that time
A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. What is the mass of the meter stick
If Neville weighs 25 N and climbs a mountain and exerts 500 J of work, how far did Neville climb
makes an angle of 45 degrees with the horizontal by an external force. The object moves up the incline a distane 3m. What is an increase in the gravitational energy of the object
An object has a total energy of 4.20 1015 J and a kinetic energy of 2.40 1015 J. What is the magnitude of the object's relativistic momentum
Your friend's car is parked on a cliff overlooking the ocean on an incline that makes an angle of 19.9 below the horizontal. Find the car's position relative to the base of the cliff
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