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 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

how do u revise fractions to decimals
How many combinations of two letters are possible from three letters?
What type of function is represented by the graph below?
Seawater is composed of salt, sand, and water. is seawater a heterogeneous or homogeneous mixture? explain
While in Europe, if you drive 111 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car's gas mileage is
Dr. martinez is studying the effects of diet on mental alertness. each morning for two weeks, subjects in dr. martinez's study eat a breakfast that is either hi
The ratio of the number of Jackie's pink T-shirts to the number of her purple T-shirts is 4:3. Which of the following cannot be the total number of her pink and
the statement 5 (a+6)=5a+30 shows the
Put in ascending order5x^{4}+6x^{5}+3x^{2}+2
identity the part of speech of the word in bold