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An 8.05-kg stone at the end of a steel (Young's modulus 2.0 x 1011 N/m2) wire is being whirled in a circle at a constant tangential speed of 19.7 m/s. The stone is moving on the surface of a frictionless horizontal table. The wire is 4.92 m long and has a radius of 1.42 x 10-3 m. Find the strain in the wire.
the coefficient of static friction is 0.26. If you apply the minimum force needed to get the refrigerator to move, illustrate what will the acceleration then be?
how to Assume the protons started from very far away. Need X and Y componet.
A pipe is open at both ends. The pipe has resonant frequencies of 528 Hz and 660Hz (among others). Find two possible values for the length of the pipe
A cylinder 25 cm long is partly filed with water. A loudspeaker held over the cylinder causes the air column to resonate, what is the hight of the water in the cylinder
a contestant in a winter games event pushes a 31 kg block of ice across a frozen lake. the coefficient of static friction is 0.1, Calculate minimum Force he must exert to get moving back
A solenoid is designed to produce a 2.74*10^-2T magnetic field near its center. It has a radious of 1.25cm and a length of 45.0 cm, how many turns must the solenoid have
A factory worker pushes a 28.0kg crate a distance of 4.8m along a level floor at constant velocity by pushing downward at an angle of 28 below the horizontal. How much work is done by the normal force
A 2 kg ball is thrown straight up in the air. What is the net force acting on the ball when it reaches its maximum height?
A person can just see this bulb from a distance of 800m, with the pupil diameter dialated to 7.5mm, how many photons per second are entering the pupil
In a region where there is an electric field, the electric forces do +8.00x 10^-19 J of work on an electron as it moves from point X to point Y.What is the potential difference, VY - VX, between point Y and point X?
A bug is splattered on a car windshield. Evaluate the magnitude of the windshield's force on the bug to the magnitude of the bug's force on the windshield.
A ray of sunlight is passing from diamond into crown glass; the angle of incidence is 28.10°. Determine the angle between the refracted blue and red rays in the crown glass
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