# Question

A shopper is in a hurry to catch a bargain in a department store. She walks up the escalator, rather than let-ting it carry her, at a speed of 10 m relative to the escalator. If the escalator is 10 m long and moves at a speed of 0.50 m/s, how long does it take for the shopper to get to the next floor?

## Answer to relevant Questions

A student strolls diagonally across a level rectangular campus plaza, covering the 50-m distance in 1.0 min (Fig. 3.25). (a) If the diagonal route makes a angle with the long side of the plaza, what would be the distance ...A moving walkway in an airport is 75 m long and moves at a speed of 0.60 m/s. A passenger, after traveling 25 m while standing on the walkway, starts to walk at a speed of 0.50 m/s relative to the surface of the walk-way. ...You are in a fast powerboat that is capable of a sustained steady speed of 20.0 m/s in still water. On a swift, straight section of a river you travel parallel to the bank of the river. You note that you take 15.0 s to go ...A sailboat is traveling due north at 2.40 m/s on a calm lake with no noticeable water currents. From the crow’s nest at the top of its 10.0-m-high mast, one of the passengers drops her digital camera. (a) Make a sketch of ...A boy pulls a box of mass 30 kg with a force of 25 N in the direction shown in Fig. 4.38. (a) Ignoring friction, what is the acceleration of the box? (b) What is the nor-mal force exerted on the box by the ground?Post your question

0