A mass of 35.0 kg is suspended from a steel wire of diameter 1.00 mm and length 11.3 m. How much will the wire stretch? The Young's modulus for steel is 20X10^(10) N/m^2.
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- What the best answerSee Conceptual Example 6 to review the concepts involved in this problem. A 10.8-kg monkey is hanging by one arm from a branch and swinging on a vertical circle. As an approximation, assume a radial distance of 61.6 cm is between the branch and the point where the monkey's mass is located. As the monkey swings through the lowest point on the circle, it has a speed of 1.99 m/s. Find (a) the magnitude of the centripetal force acting on the monkey and (b) the magnitude of the tension in the monkey's arm. (a) Number (b) Number Units Units #B A A E B 0 D E F G 30 m/s 1 5 m/s 5 m/s F G
- In which of the following situations is the angular acceleration equal to zero? Mark only one. O A fan in the process of slowing from its maximum spin to zero. A ball rolling down a hill A merry-go-round that starts at rest and is pushed by a child until it speeds up O The tire of a car that is traveling at a constant speed in a straight line.3. A ball rolls along the smooth frictionsless track shown in in the figure below with an initial speed of 5.00 m/s. Assume that the ball turns all the corners smoothly with no loss of speed. Calculate to three significant figures despite what the figure shows. (a) What is the ball’s speed as it goes over the top? (b) What is its speed when it reaches the level track on the right side? (c) What is the difference between the final speed and the initial speed?A ezto.mheducation.com/ext/map/index.html?_con3con&external_browser%3D0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.com%252F.. 18 i Saved Help Save 5 How much work is done by the motor in a CD player to make a CD spin, starting from rest? The CD has a diameter of 12.0 cm and a mass of 15.8 g. The laser scans at a constant tangential velocity of 1.20 m/s. Assume that the music is first detected at a radius of 20.0 mm from the center of the disk. Ignore the small circular hole at the CD's center. Вook Hint Int ences < Prey 5 of 21