A car travels 100 meters in 5 seconds. What is the speed of the car?
speed = distance over time; 1 mile = 1609 meters

a.8.9 miles per hour
b.16 miles per hour
c.20 miles per hour
d.44.7 miles per hour

Question

A car travels 100 meters in 5 seconds. What is the speed of the car?
speed = distance over time; 1 mile = 1609 meters

a.8.9 miles per hour 
b.16 miles per hour 
c.20 miles per hour 
d.44.7 miles per hour

anonymous · Answer

@jim_thompson5910

anonymous · Answer

v=d/t 
v= 100/5
convert m/s into miles/hour

isaiah.feynman · Answer

$$s=\frac{ d }{ t }$$Simple.

anonymous · Answer

is it b. cause that was my answer

anonymous · Answer

3600 seconds in an hour
1609 metres in a mile

anonymous · Answer

c.

anonymous · Answer

i don't understand how you set it up

anonymous · Answer

you would first find the speed in m/s by v=d/t =20 m/s
then use that value as m/s and convert to miles 20/1609
after you have your mile value, convert seconds to hour by 60x60 =360

v=d/t/mile x 3600

anonymous · Answer

it should be 3600 seconds in an hour**

anonymous · Answer

it says 160900 when i did it

anonymous · Answer

@bukloon

anonymous · Answer

20/1609x3600= 44.7

anonymous · Answer

oh now i see how you got it thanks for the help