Sa5neyjIntpayna Sa5neyjIntpayna

04-01-2017
Physics

contestada

A car travels 40 km in an hour. in the next two hours it travels 78 km. what is the average speed of the car?

Respuesta :

AndrewDawsonYT AndrewDawsonYT

04-01-2017

To work this out using the speed equation:

s = d/t

therefore,

d = 40000m (km = 1000m) so, 40 * 1000 = 40000
t = 2h

s = 40000/2 = 20000m

s= 20kmh.

Answer Link

Otras preguntas

What pivotal event led the United States to enter World War II?

Publix has a 12 oz. box of Cheerios for $3.49. What is the unit rate per ounce?

Which of the following is most nearly OPPOSITE in meaning to formidable? A. shapely B. practical C. unimpressive D. reckless

What is y if 0=1/2-2y?

Emily Dickinson, whose poetry focuses on God, death, and nature, devoted much time to ___. A. repose B. introspection C. repartee D. retrospect

Which of the following areas borders the Pacific Ocean and has a Mediterranean style climate? British Columbia,northern Oregon, southern California, southern Wa

1 and 5/6 + 2 and 2/11

Miracle plays were always based on the lives of saints. a. True b. False

suppose that a diamond weighs 0.0182 carat.What is that number in expanded form

Which American Indian group would most likely make this statement? My people have a written document that outlines our government and our landholdings. We beli