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?

Question

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 :

Otras preguntas

28Students were surveyed and the results showed that 18 of them loved to play video games what percentage of the students loved to play video game.

Do japanese call american cartoons anime

what is the best way to overcome imagined risks? A.ask for help B.replace negative self-talk with positive self-talk C.notice nice things about people D.change

Mexico city, mexico san salvador, el salvador are both what?

Determine whether the inequality is always, sometimes, or never true. 4x - 8 > 1 + 4(x+3)

Estoy muy _______________ porque alli voy a pasar tres semanas con mis abuelos answers

55% of what number is 22?

A two-year-old child is on the same level as a ten year old child in terms of conflict resolution. true or false

Which method would be best to separate a mixture of oil and water? separation by density separation by particle size filtration distillation

AndrewDawsonYT AndrewDawsonYT · Answer 1 · 2017-01-04T12:12:42+01:00

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