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

Which of the following is a primary reason settlers came to the continent of North America?

What is the relationship between amplitude and volume?

Scores on the Critical Reading part of the SAT exam in a recent year were roughly Normal with mean 495495 and standard deviation 118118 . You choose an SRS of 1

does the point (3,-1) lie on the circle (x+1)^2 + (y-1)^2=16

How was Gandhi viewed by the people in his nation?

why is radioactive dating important when approximating the age of earth?

Urban cities like Atlanta have to contend with a serious problem like pollution. Drivers in California are testing out a car that is fueled by hyrodgen; therefo

Isotopic dating relies on a process called _______, where heavier radioisotopes transform into lighter elements. No choices to choose from!

liquid, fresh water percentage

With a short time remaining in the day, a delivery driver has time to make deliveries at 7 locations among the 9 locations remaining. How many different routes