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

Find the complete predicate and the simple predicate in the sentence. All of the members have been properly notified of the meeting. complete predicate:

Which of the following was a goal of the Albany movement?

3\sqrt{3} + \sqrt{3}

Show that the straight line with equation 3x-y+8=0 is a tangent to the circle with equation x^2+y^2-18x-10y+16=0

You say me When you count by tens. I am the 7th number you say when you start at 10. Then I am……

Make a 5% offer on a Volkswagen that has a sticker price of $22,860 and a dealer cost of $20,254

By 1850, 55 percent of the slaves in the South were being forced to grow which cash crop?

The function y = 4.25x + 6 represents the total amount of money, y, earned over x hours. What is true about the function? A It is linear because it is always

what first apperreed in the 1800s giving more women oppurtoinites for jobs outside the home ?

A TIMI risk score of 0-2 indicates: A) High Risk B) Intermediate Risk C) Low Risk D) No Risk