129 Answered Questions for the topic Time
Is Reverse Time Dilation possible?
if the pulling force of mass or acceleration or electromagnetism can cause time dilation... would a pushing force of the repelling force of electromagnetism or the expansion rate of the universe... more
algebra 1 word problem. rate
at 9:00 on sunday morning, two bicyclists heading in opposite directions pass each other on a bicycle path. the bicyclist heading north is riding 7 km/hr faster than the bicyclist heading south. at... more
Working together, two pumps can drain a certain pool in 6 hours. If it takes the older pump 15 hours to drain the pool by itself, how long will it take the newer pump to drain the pool on its own?
College Math Help. Dealing with time. Its a homework problem I'm struggling with.
If I’m going 65 miles per hour at a constant rate how long will it take to drive 15 miles?
Walking 6/7 th of his usual speed, a man is 12 mins too late. What is the time taken by him to cover that distance?
What is the difference between UT0, UT1 and GMT time?
Every reference I find says that they are essentially the same, which we all know really means that they are not the same, but different only by a some small amount. They also like to say that UT1... more
How to get the current time in Python?
What is the module/method used to get the current time?
How to recursively find and list the latest modified files in a directory with subdirectories and times?
- Operating system: Linux - Filesystem type: ext3 - Preferred solution: bash (script/oneliner), ruby, python I have several directories with several subdirectories and files in them. I need to... more
How are 24-hour (military) times read aloud?
I understand you read 2000 aloud as *twenty hundred hours* and 0000 as *zero hours*. How then do you read 0001 and 0010?
Two cyclists leave towns 58 mi apart at the same time and travel toward each other. One cyclist travels 9 mi/h slower than the other. If they meet in 2 hours, what is the rate of each cyclist?
When did you last...?
I am searching for a way to ask a question like "When did you last see her?" or "When did you last do the laundry?, or also "When did we last meet?" Basically, how do you construct a question with... more
Why are leap seconds needed so often?
In Coordinated Universal Time (UTC), leap seconds are added to account for the slowing down of Earth's rotation. But the slowing down is said to be of the order of milliseconds in a century. Then... more
Is it possible that people perceive time differently than others do?
All of my life I have been told to be more patient, to stop "racing through life", etc. Happily, I am finally mature enough to accept that as solid advice, but I am curious as to whether it is... more
What do 'real', 'user' and 'sys' mean in the output of time(1)?
$ time foo real 0m0.003s user 0m0.000s sys 0m0.004s $ What do 'real', 'user' and 'sys' mean in the output of time? Which one is meaningful when benchmarking my app?
Meaning of “come eleven a.m. or so”?
I'm reading *The Fermented Man* by Derek Dillinger. The author talks about his reaction towards sugary sweets after one year of eating very simply. It turns out the average amount of sugar most... more
How should one say times aloud in 24-hour notation?
A couple years ago, I switched all my personal clocks 24-hour notation. I live in the US, and 24-hour time is used very, very rarely. So, I haven't been able to listen to anyone say times... more
How do I say "before" or "used to" in Japanese?
朝、作文を書いた時、疑問に思いました。 How can I say something like: > I didn't use to like this band. > Before, I didn't like this band.
For the time being vs. "for now"?
Consider the following passages:> A litter made of two rifles and two field jackets would suffice **for now**. That was good news; another bit was that the EPW was a lieutenant, a regimental... more
How can I say "Right now", or "At that exact moment"?
Saying "now" is easy, with 今, but in my experience that doesn't express so much "right now, this instant" as it does "currently". I am looking for structure that translates these examples well: -... more
Distance, displacement speed and velocity
A student went for a run. She ran for exactly 22 minutes at an average speed of 4.0m/s calculate the distance she ran in km and state the equation that links distance travelled, average speed time.
One car travels 200 mi. A second car, traveling 10mi/h faster than the first car, makes the same trip in 1hr less time. Find the speed of the slower car.
I need help with HW
Isabelle is trying to predict the time required to ride her bike to the nearby beach. She knows that the distance is 45 km and, from other trips, that she can usually average about 20 km/h. Predict... more
Velocity, How far does the object move?
An object moving on a number line as position s given by s=t^2 (where t is measured in seconds and s in feet). At time t=2, its velocity is 4 feet per second, as you can check .How far does it move... more
Distance Rate and Time Problem
Joan left Durham with a speed of 47 mph. Sam also left at the same time in the opposite direction at a speed of 41 mph. Find how many hours Sam must travel for them to be 228 miles apart?NOTE: I... more
A car race began at 08:45 and finished at 14:35. How long did the race last?
I have a test very soon and i do not understand 24 hour time that much. Also i do not get how to work out word problems.