talyricsm49ox6aix talyricsm49ox6aix

15-09-2018
Physics

contestada

(HELP!! 10pts) a train travels 75km in 1hr, and then 68km in 2hrs. what is its average speed?

Respuesta :

Wilfredjr Wilfredjr

15-09-2018

Average speed = total distance travelled ÷ total time taken

AS = (75km + 68km) ÷ (1hr + 2hr)

As = 143km ÷ 3hr

AS = 47.66667 km/hr

AS = 47.7 km/hr (3sf)

Answer Link

Otras preguntas

write four different expressions for the perimeter of a pentagon whose sides are all s-2 units long

In the early 1800s, British engineer Richard Trevithick invented the first railway steam locomotive. By 1850, Britain had more than 6,000 miles of railroad trac

PLEASE HELP Which table shows a proportional relationship

Select the expression that is equivalent to |4-3i| a. 1 b. 7 squared c.5i d.5

Please help, 5 Points! Hurry!

Ann received a $ 90 gift card for a coffee store. She used it in buying some coffee that cost $ 7.69 per pound. After buying the coffee, she had $ 51.55 lef

Susie ran a race. She ran 55 miles an hour, and the race took her tt hours to complete. How long was the race?

Is 5 5/6 bigger then 5 5/10?

The reason why wind makes you feel colder in the winter is because: A: It only feels cold when the wind itself is at a lower temperature than the surrounding ai

The goal of the North Korean leaders in 1950 was to_____. A. unit North and south Korean under a democratic capitalist system B. unit North and south Korean