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A .400 kg ball on a .500 mstring rotates in a circular path in a vertical plane. If aconstant angular speed of 8.00 rad/s is maintained, what is the force (tension) in the string when the ball is at the top of thecircle?
A force vector points at an angle of 64.9 ° above the +x axis. It has a y component of +276 Newton's (N). Find out (a) magnitude and (b) x component of the force vector.
a 1200-kg car and a 2270-kg pickup truck approach a curve on the expressway that has a radius of 274m.at what angle
question1the period of a simple pendulum defined as time necessary for one complete oscillation is measured in time
a ski gondola is connected to the top of a hill by a steel cable of length 520 and diameter 1.3 . as the gondola comes
Two uniform infinite sheets of electric charge densities 18.0 C/m2, Find the magnitude of the electric field everywhere
imagine a very heavy cube of pure gold that is 1.40 m on a side. approximate the atoms in this cube as little cubes.
In 6.00 days the number of radioactive nuclei decreases to one-eight the number present initially. What is the half-life (in days) of the material
A key falls from a bridge that is 46 m above the water. It falls directly into a model boat, moving with constant velocity , that is 15 m from the point of impact when the key is released. What is the speed of the boat?
A spring stretches by 0.0241 m when a 4.15-kg object is suspended from its end. How much mass should be attached to this spring so that its frequency of vibration is f = 4.44 Hz
a capacitor is charged to a potential of 12.0 v and is then connected to a voltmeter having an internal resistance of
A 50.4-g golf ball is driven from the tee with an initial speed of 40.9 m/s and rises to a height of 25.7 m. determine the kinetic energy of the ball at its highest point
You are asked to design a cylindrical steel rod 55.0 long, with a circular cross section, What must the rods diameter be
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