About one mile per hour.
1 mile per hour = 22/15 = 1.4666... feet per second (rounded, repeating)The following are exact numbers:-- 15 miles per hour = 22 feet per second-- 30 miles per hour = 44 feet per second-- 60 miles per hour = 88 feet per second-- 90 miles per hour = 132 feet per second-- 120 miles per hour = 176 feet per second
85 Miles per Hour = 124.67 Feet per Second
30 mph = 30*5280 feet per hour = 30*5280/3600 feet per second = 44 feet per second (The conversion factor from mph to fps is 22/15)
how many secounds would it take to travel 15 feet at 3.5 feet per secounds
It's 10.2 miles per hour. (rounded)
15 mph = 22 feet per second
Easy. Just multiply miles per hour by 1.466 to get feet per second. So, 15 x 1.466 = about 22 feet per second.
Per second per second or (/s/s) refers to the rate of acceleration. If you are standing still and you increase your speed at a rate of 5 feet per second per second that means after 1 second you'll be moving at 5 feet per second, after two seconds you'll be moving at 10 feet per second, after three seconds you'll be moving at 15 feet per second, and so on. Every second that goes by, 5 more feet per second will be added to your speed. So 5ft/s/s is a rate of acceleration. An easier example to understand, instead of per second per second, is per hour per second. If you are in a car that is standing still and you increase your speed at a rate of 5 miles per hour per second that means after 1 second you'll be traveling at 5 miles per hour. After 2 seconds your speed will have reached 10 mph. After 10 seconds you'll be traveling at 50mph. Each second that goes by you add 5mph to the speed.
1 mile per hour = 22/15 = 1.4666... feet per second (rounded, repeating)The following are exact numbers:-- 15 miles per hour = 22 feet per second-- 30 miles per hour = 44 feet per second-- 60 miles per hour = 88 feet per second-- 90 miles per hour = 132 feet per second-- 120 miles per hour = 176 feet per second
22 feet per second.
Multiply by 1.47: 15 x 1.47 = 22.05 feet per second
The AR-15 rifle has a fire rate of 800 rounds per minuteand a muzzle velocity of 3,200 feet per second.
15 / 50 = 0.3 feet per hour
85 Miles per Hour = 124.67 Feet per Second
38 mph = 5511/15 feet per second(55.733...)
22
30 mph = 30*5280 feet per hour = 30*5280/3600 feet per second = 44 feet per second (The conversion factor from mph to fps is 22/15)