A simple pendulum consists of a 50 g weight on the end of a string. The angle between the cord and the vertical is given by the equation... θ = (0.080 rad) cos( 3.6 rad/s * t + Φ) Determine the pendulum's length. Use g = 10 N/kg.
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A simple pendulum consists of a 50 g weight on the end of a string. The angle between the cord and the vertical is given by the equation...
θ = (0.080 rad) cos( 3.6 rad/s * t + Φ)
Determine the pendulum's length. Use g = 10 N/kg.
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- 16. The fan blades on a jet engine make one thousand revolutions in a time of 50.0 ms. Determine (a) the period (in seconds) and (b) the frequency (in Hz) of the rotational motion. (c) What is the angular fre- quency of the blades?A 6 kg mass is attached to the end of a 1.7 m long string. The other end of the string is attached to the ceiling and the mass is made to undergo a conical pendulum type motion. The string makes a 38 degree angle with the vertical. Calculate the tension in the string, in N. (Please answer to the fourth decimal place - i.e 14.3225)A woman applies a torque to a nut with a wrench 0.250 m long. Because of the cramped space, she must exert a force upward at an angle of 70.0° with respect to a line from the nut through the end of the wrench. If the force she exerts has magnitude 46.0 N, what magnitude torque (in N · m) does she apply to the nut? (Assume that the force is applied at the end of the wrench.)
- A small ball of mass 0.90 kg is attached to one end of a 1.20-m-long massless rod, and the other end of the rod is hung from a pivot. When the resulting pendulum is 23° from the vertical, what is the magnitude of the torque about the pivot?A car accelerates uniformly from rest and reaches a speed of 14.8 m/s in 5.2 s. diameter of a tire is 39 cm. The Find the number of revolutions the tire makes during this motion, assuming no slip- ping. Answer in units of rev.Calculate the torque produced by the tension T = 20 N at point 0.
- The figure shows a bar suspended from a pivot ? with a calibrated spring attaching the bar to the wall. The length of the bar is 0.970 ?, its mass is 0.775 ??, and the tension measured by the calibrated spring is 3.25 ?. Use the standard coordinate system with +? to the right and +? up the page. (a) Write the symbolic equation that represents equilibrium for the forces in the ? − ?????????. (b) Write the symbolic equation that represents equilibrium for the forces in the ? − ?????????. (c) Write the symbolic equation that represents equilibrium for the torques around point ?. Please use ? = 45.0 degrees, ? = 63.0 degrees, ? = 9.80 ?/? 2 , and calculate the horizontal and vertical components of the force the pivot exerts on the bar and the location of the center of mass of the bar, measured from the pivoted end.The good expert Hand written solution is not allowed.A pendulum's angular position is given by ?= 0.0340 cos (?t), where ? is in radians and ? = 6.23 rad/s. Find the period (in s) and length (in m) of the pendulum.