Examlex
In the figure,a 10.0-m long bar is attached by a frictionless hinge to a wall and held horizontal by a rope that makes an angle θ of 53° with the bar.The bar is uniform and weighs 39.9 N.How far from the hinge should a 10.0-kg mass be suspended for the tension T in the rope to be 125 N?
Q7: If we double only the spring constant
Q19: The entropy of an isolated system must
Q22: The closest known star to our solar
Q39: A spaceship is moving away from the
Q41: The mass of a typical adult woman
Q50: A car is being towed at constant
Q53: The figure shows a graph of the
Q53: A light triangular plate OAB is in
Q96: A rescue plane flying horizontally at 72.6
Q126: A rabbit trying to escape a fox