talyricsm49ox6aix
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 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

A patient has leukemia and undergoes bone marrow testing and chemotherapy. which type of insurance will be billed first?
"grid inc. is an american firm based in cleveland that designs and manufactures tractors and agricultural equipment. grid inc. granted the right to an italian f
Yolanda's sunflower plat was 64.34 centimeters tall in July during August the plant grew 18.2 centermetera
According to The Feminine Mystique, many women of the 1950s and ’60s felt trapped by society’s expectations. Which excerpt contains keywords that best describe
How would the planet be made if there were no planet near us
Which economy is not associated with major industrial World economies
An acid is added to water, and a new equilibrium is established. What is the system after the acid is added?
(Photography) A common piece of advice for dealing with distracting backgrounds is to adjust the aperture setting so that the background becomes blurred. True
The nurse is used to working on the postpartum floor taking care of women who have had normal vaginal births. today, however, the nurse has been assigned to hel
Napoleon sold the Louisiana territory to the United States because he