tarbukn tarbukn

10-04-2018
Mathematics

contestada

A train travels 59 kilometers in 4 hours, and then 70 kilometers in 5 hours. What is its average speed?

MY ANSWER AND THE UNITS?

Respuesta :

calculista calculista

10-04-2018

we know that

[average speed]=distance/time
distance=59+70-----> 129 km
time=4+5----> 9 hours

[average speed]=129/9----------> 14.33 km/hour

Answer Link

Otras preguntas

a lamp rated 100w 220 v is connected to mains electric supply . what current is drawn from the supplyy line, if the voltage is 220 v?

a compound consists of 17.6% of hydrogen and 82.4% nitrogen. Determine the empirical formula of the compound

determine the equation of g(x) that results from translating the function f(x)= (x + 8)^2 to the right 13

Henry is standing on a bridge over a creek. If he could throw a stone straight up into the air with a velocity of 50 feet per second, could the stone reach a he

How did the Tang people gain the Mandate of Heaven?

The interior angles in a regular polygon are 140 degrees. How many sides has the polygon? it could be something to do with s=(n-2) x 180

notes on electric bulb

what if the bird sitting on tansmission wire touches both terminal's wire ?why

400J of heat is produced in 4 sec in 4ohm resistor.calculate yhe PD across the resistor.

a lamp rated 100w 220 v is connected to mains electric supply . what current is drawn from the supplyy line, if the voltage is 220 v?