tatorbug123 tatorbug123

27-10-2016
Physics

contestada

A train travels 90 kilometers in 1 hours, and then 60 kilometers in 3 hours. What is its average speed

Respuesta :

27-10-2016

Average speed = (total distance) / (total time to cover the distance)

   = (90km + 60km) / (1hr + 3hr)

   = (150 km) / (4 hr)

   =    37.5 km/hr    .

Answer Link

Otras preguntas

What does a storyboard look like? typed script of a story illustrated strip showing camera shot sequence outline with notes and scenes schedule of all the diffe

Discuss amalgamation, assimilation, and pluralism. how do these three arrangements differ from each other? what is the end result of each process? critical thin

When you draw a circle using the 2-point option, the two points you select define the circle's ____?

When algae lives on a sloth, it is considered a mutual symbiotic relationship. why is this an example of mutualism?

This greek-born artist created the installation work star fountain (2.4.22), which uses constantly changing light to imply movement.

Read the paragraph. Jenna hoisted her backpack and hustled toward her locker. She fidgeted her foot while twirling the familiar numbers, silently reciting the p

Marylynn is a pregnant 23 year-old married woman and a smoker. what concern about her pregnancy might you have?

What number can you multiply by π to get a rational number? Select each correct answer. 1/π −π 0 2

An electronics company has developed a new hand held device. The company predicts that the start up cost to manufacture the new product will be $125,000, and th

Mariann has accessed a video about social security's future via her school's library databases. as she watches the video, she pays attention to the production v