a car traveling at a speed of 46 m/s encounters an emergency and comes to a complete stop. how much time will it take for the car to stop if it accelerates at -1m/s/s

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?