Question: A shopper in a mall is on an escalator that
A shopper in a mall is on an escalator that is moving downward at an angle of 41.8o below the horizontal at a constant speed of 0.75 m/s. At the same time a little boy drops a toy parachute from a floor above the escalator and it descends at a steady vertical speed of 0.50 m/s. Determine the speed of the parachute toy as observed from the moving escalator.
Answer to relevant QuestionsAn airplane is flying at 150 mi/h (its speed in still air) in a direction such that with a wind of 60.0 mi/h blowing from east to west, the airplane travels in a straight line southward. (a) What must be the plane’s ...At a merging on-ramp of a busy Los Angeles freeway, car A is moving directly east on the freeway at a steady speed of 35.0 m/s. Car B is merging onto the freeway from the on-ramp, which points north of due east, moving at ...A net force of 4.0 N gives an object an acceleration of 10 m/s2. What is the mass of the object? A rope is fixed at both ends on two trees and a bag is hung in the middle of the rope (causing the rope to sag vertically). (a) The tension in the rope depends on (1) only the tree separation, (2) only the sag, (3) both the ...The Atwood machine consists of two masses suspended from a fixed pulley, as shown in Fig. 4.42. It is named after the British scientist George Atwood (1746– 1807), who used it to study motion and to mea-sure the value of ...
Post your question