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 specific beliefs did colonists have about who was superior?

The Egyptians advanced travel by building the

The amount of a radioactive isotope decays in half every year. The amount of the isotope can be modeled by f(x) = 346(one half)x and f(1) = 173. What does the o

Match the enzymes to their role in the DNA replication process. Tiles A. RNA primase B. ligase C. helicase D. polymerase E. topoisomerase Pairs 1. unwinds the D

Say it costs $2.25 to ride the T. If you ride 2 times a day for the month of July how much would you spend?

The general feeling or attitude of a poem towards its subject matter is called a poem’s _____.

I’m confused on this one

isosceles trapezoid with height c units, bases 8d units and 4d units

Which situation always warrants calling 911 when someone is injured? a. your alone with the person. B. Moving the person may cause injury. C. The hospital is m

PLZ help solve this !!!