Physics, asked by vikashraj7156, 11 months ago

UI III
7. A train moves a distance of 10 metre with a constant speed of 40
m/sec. and moves the next 5m with a constant speed of 30 m/sec..
Calculate its average speed.
Ans. 36 m/sec.

Answers

Answered by Brainlycm

6

Answer:avg speed= total distance/ total time

Explanation: total distance =15m

Calculate total time and then divide. I have given attachments below☺

Hope that helps!!

Attachments:

Previous Question

Next Question

Similar questions

Science, 6 months ago

methods of gene therapy on the basis of animal cell culture.

Math, 6 months ago

23 Which one of the following is NOT a standard criterion of congruency of two triangles? (a) SSS (b) SSA (c) SAS (d) ASA...

Math, 6 months ago

30. If the smallest side of a trapezium is 10 m and distance between the two parallel sides of the trapezium is 20 m and also its area is 480 2 , then find the other side of the trapezium.

Biology, 11 months ago

$\sqrt{3 + \sqrt{5} }$ ...

Math, 11 months ago

if hcf and lcm of two number are 50 and 250 respectively,.if the first number is divided by 3 ,the remainder is 1 and quotient is 33 .find the second number...

Social Sciences, 1 year ago

Name two world famous personalities who fought against unequal laws and practices...

English, 1 year ago

What structure and rhetorical style does the author use in the letter to the editor of the Daily News? A. compare/contrast with an emotional appeal B. sequential order with a scientific appeal C. problem/solution with a logical appeal D. cause/effect with an ethical appeal...

Physics, 1 year ago

A body appears black in yellow light. What can be the colour of the body?