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

Oliver and Sara shared a whole pizza. Oliver ate 1/3 of the pizza, and Sara ate 1/4 of the pizza. What fraction of the whole pizza did they eat?

A man wants to make up 100 one-pound jars of nuts to sell for 66 cents a jar. He plans to use 40 pounds of nuts worth 75 cents a pound. What should be the price

when y varies directly with x, if y = 9 and x = 8 find y when x = 16

What would happen if the moon was hit by an asteroid

can anybody help me please ????

How did roman plebeians make a living? As soldiers and generals As farmers and traders As senators and priest As slaves and servants?

Preform the following conversion. 195 s; minutes

Ally drank 500 milliliters of water after her run. Her best friend, Andrea, drank 0.75 liter of water. Who drank more?

Now, consider a right triangle with legs of lengths 5 cm and 12 cm. what is the length c of the hypotenuse of this triangle?

Why was Josef Stalin nicknamed "the Man of Steel"?