Physics, asked by strawberry4, 1 year ago

a train cover half of its journey with a speed of 30m/s and other half with a speed of 40m/s. Calculate average speed for entire journey

Answers

Answered by udaykiranreddy

8

Avg speed=2v1v2/v1+v2
=2*30*40/30+40
=2400/70
=34.28

Answered by Rosedowson

5

Hi..

Hope this helps u!!

Attachments:

Previous Question

Next Question

Similar questions

English, 7 months ago

Correct the error, if any, in the following sentences: Please give me the correct answer it’s very urgent!! Please I will mark the person as brainliest for sure!! Please answer!!

Chemistry, 7 months ago

possible reason for when gas changed into solid...

Math, 7 months ago

1. (a) If A = {x:4<3x-2 < 13,XER) and B= {x:-2<5 + 7x<40,XEI) then write down the element of A' N B and represent on the number line.

Business Studies, 1 year ago

Define the fatigue. discuss factors affecting of work efficiency of person...

Physics, 1 year ago

Derivation of relation between principal focus and radius for convex mirror...

Physics, 1 year ago

A light and a heavy body have same momentum. What is the ratio of their kinetic energy ?

Science, 1 year ago

what is the distance betwen eyelens and retina...

Math, 1 year ago

kx^{2} - 2kx + 6 = 0 find the value of k,the quadratic equation has real roots pls pls pls solve it........... i am new user...