Speed and time

  • Thread starter nonstop
  • Start date
  • #1
7
0
I have very disappointed myself. I am forgot how count time, if car drives example 45 km(kilometre) distance and it's speed is 100km/h ( kilometre per hour). How i know what is time?

equation is

t = s/v (t = time, s = distance and v = speed)

and now equation is

t = 45km / 100km/h
t = 0,45h?

How i know this (0,45h) what is exactly time? Can somebody count this for me? :surprised
 

Answers and Replies

  • #2
185
1
nonstop said:
I have very disappointed myself. I am forgot how count time, if car drives example 45 km(kilometre) distance and it's speed is 100km/h ( kilometre per hour). How i know what is time?

equation is

t = s/v (t = time, s = distance and v = speed)

and now equation is

t = 45km / 100km/h
t = 0,45h?

How i know this (0,45h) what is exactly time? Can somebody count this for me? :surprised
Do you mean convert this to minutes?

You have 0.45h, there are 60 minutes to an hour, so 60 * 0.45 = 27minutes.
 
  • #3
Integral
Staff Emeritus
Science Advisor
Gold Member
7,212
56
I don't understand your problem. Yes it would take .45 hr or .45hr * 60min/hr = 27min to travel 45km at 100km/h.
 

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