jabbir1102 jabbir1102

01-01-2019
Physics

contestada

A train travels 81 kilometers in 3 hours, and then 63 kilometers in 4 hours. What is its average speed?

Respuesta :

zaidmir1987 zaidmir1987

01-01-2019

Avg speed =Total Distance / Total Time Taken

Therefore = Avg speed = 144/7 = 20.57 km/h

Hope you understood and liked my answer!

Answer Link

Otras preguntas

Write the number that matches the clues My number has 2 hundreds. The tens digit is 9 more than the ones digit

What is the most dense thing in the world

2x+8=22 how do I figure out the answer to problem 2x+8=22 ?

Express 230 in scientific notation

The length of Marshall's poster is 2 times its width. If the perimeter is 72 inches, what is the area of the poster?

The cost for n students to attend a workshop is 7n+12 dollars. What is the cost,in dollars for students to attend?

I'm inside the path I'm a difference of two numbers outside the paths what number am I

What is the connection between 2.3 times 6.9 and 6.9 divided by 2.3.

What served as the basic building blocks of African society?1: feudal contracts2: lineage groups3: slaves4: camel caravans

Solve the equation for y.4x – 5y = 9