- published: 17 Jun 2016
- views: 1620473
In kinematics, the speed of an object is the magnitude of its velocity (the rate of change of its position); it is thus a scalar quantity. The average speed of an object in an interval of time is the distance traveled by the object divided by the duration of the interval; the instantaneous speed is the limit of the average speed as the duration of the time interval approaches zero .
Like velocity, speed has the dimensions of a length divided by a time; the SI unit of speed is the meter per second, but the most usual unit of speed in everyday usage is the kilometer per hour or, in the USA and the UK, miles per hour. For air and marine travel the knot is commonly used.
The fastest possible speed at which energy or information can travel, according to special relativity, is the speed of light in vacuum c = 299,792,458 meters per second, approximately 1079 million kilometers per hour (671,000,000 mph). Matter cannot quite reach the speed of light, as this would require an infinite amount of energy. In relativity physics, the concept of rapidity replaces the classical idea of speed. In day-to-day athletics, it is proper to say that a teenager can achieve atleast 20 kmph (or 12.43 mph) of speed while a best runner can achieve 30 kmph (or 18.64 mph) which is similiar to run 100m running race in about 12 seconds. The average speed for a teenager is 24 kmph, which can be a result on running 100m in 15 seconds.
Shop may refer to:
Pump, pump it up
Pump it up right now
Jump, jump it up
Baby show them how
Don't try to stop or we're going down
Pump, pump it up
Baby give it juice
Live life, love hard, look good, let loose
Don't, don't jump the beat
Baby what's the use
Hear the world that's so demanding
Where you always gotta keep your hand in
Got my own two feet and I'm standing
Now I tink it's time for me to. go
Go go, no apologies
Not my ideologies
I take, what I wanna
And I go, you go, we go, let's go. go go
Now wait, zero gravity
Too late, no ones having me
Oh god, where's my sanity?
Go up high, down low, too slow. go go
I'm no one's toy, nobody's clown
Can't pick me up and throw me down
One day I'm lost, the next I'm found
Don't like it
Hear the world that's so demanding
Where you always gotta keep your hand in
Got my own two feet and I'm standing
Now I think it's time for me to... go
Go go, no apologies...
So you think it's all around ya?
Only it seems like your times up
And now you've gotta make your mind up... just go