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

How do we do it???? And how do we make sure its correct

SOMEONE HELP ASAP SERIOUS ANSWERS ONLY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

How Does The Size Of Small Wind Turbines Contribute To Providing Energy In Remote Locations

How many positive integers less than 20 have exactly two positive divisors

A serving of food that has 10% to 19% of a nutrient based on a 2000 calorie diet is considered to have

When and how do you use logarithms to solve exponential equations? give an example of an exponential equation that does not require logarithms to solve it and

What us senator used american's fear of communism to promote his career by making baseless accusations of communist activities in the united states?

Laws that protect intellectual property are critical to the economy. Find and read a law (a primary source) that protect intellectual property, such as patents,

What is the meaning of cell life?

Three seismograph stations mapped their distances from an earthquakes epicenter on this map. In what city did the earthquake occur? (bankok, hanoi, seoul, ma