Answer to Question #253758 in Mechanics | Relativity for fsvour

Mechanics | Relativity

Question #253758

a motorist traves from a town a to a town b,145km distance in 3hrs 45 mins . find his average speed. in km\h

Expert's answer

3hrs 45 mins is 3.75 hrs. Then the speed is:

"v = \\dfrac{145km}{3.75h}\\approx 38.7km\/h"

Answer. 38.7 km/h.

Learn more about our help with Assignments: Mechanics Relativity

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. The drag force of an object moving through the fluid depends upon the viscosity of the fluid, the ob
2. by seeing a child on a railway track the driver applies brakes the speed of train is reduced from 90
3. A plane flies 955 km due east,then turns to north and flies another 649 km. Determine the polar coor
4. An 30 kg object from rest was pulled horizontally by a pulling force 100 N applied along the directi
5. Two buckets each of mass 6kg are connected on each of a light inextensible string going over a smoot
6. Spring is compressed to a length of 20 cm by a 20 kg object on a 20 degrees inclined surface with co
7. A horizontal disc of radius 9.00 cm rotates about an axis which passes vertically through the center