Use a landmark along the side of the road.
As the car in front of you passes it start counting.
When you pass the same landmark stop counting.
The number you reach will be the number of seconds (provided you counted at the rate of 1 number per second.)
To find the average speed between time=0 and time=2, divide the distance traveled by the time (in this case 2 seconds).
A stone that falls from a ledge and takes 8 second to hit the ground travels a distance of 313.6 meters. You can find this answer by substituting 8 seconds for time in the physics formula d = 1/2 x acceleration x (t squared), where d = distance, acceleration is given as a =9.8 meters/second squared, and t squared is time in seconds.
first you have to convert the 6 mins to seconds 60 x 6 = 360 + 35 = 395 sooo 8550/395 = 21.65 m/s
Use the known numbers to substitute in the formula distance = rate x time (d=rt) d = r x t 23 = r x 0.28 (then divide both sides by 0.28 to find the rate 23 ÷ .028 = r ÷ .028 82.142857 ft per second = r (round off to 82.14 ft/sec)
To figure out how long it would take, we divide the distance, 338 miles, by the speed, 70 miles per hours. In doing so we find that it will take 4 hours, 49 minutes and approximately 43 seconds to travel this distance at this speed.
Multiply by a value in seconds, that way you find out the distance. The distance will be in metres which will be travelled in a certain amount of seconds
Distance divided by velocity = time
Read your state's Driver's Manual. You will find that three seconds is rarely ever enough distance.
distance = speed x time so the distance is just the speed of the stone x 8 seconds
You didn't specify what data is given. In general, for constant speed, the following formula is important (just use the definition of speed): speed = distance / time; or distance = speed x time. If distance is in km and time in hours, speed will be in km/hour; if distance is in meters and time in seconds, speed will be in meters/second.
The rate that you cover a distance is your speed. Speed is a measure of the distance traveled per unit time. If your units are meters and seconds, then your speed would be in meters/second. To find the speed of something you divide the distance it traveled by the time it took to travel that distance. For example if something traveled 40 meters in 10 seconds its speed would be (40 meters)/(10 seconds) = 4 meters/second
speed=distance/time taken 600/10= 60m/s
To find the average speed between time=0 and time=2, divide the distance traveled by the time (in this case 2 seconds).
"Magnitude" is the size or distance. Its measure depends on the metric that is defined on the relevant space.
The formula to find the distance of a light year is (speed of light) x (number of seconds in a year). The speed of light is approximately 299,792,458 meters per second, and there are about 31,536,000 seconds in a year. Multiplying these two values will give you the distance of a light year, which is approximately 9.46 trillion kilometers or 5.88 trillion miles.
There is no suitable calculation at all on the list you posted with the question.
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