Speed
in sentence
1644 examples of Speed in a sentence
The men in Apollo 10 reached a record-breaking
speed
of around 25,000 miles per hour when the shuttle re-entered the Earth's atmosphere in 1969.
We're either going to kill ourselves by crashing into the nearest wall at super
speed
or, worse, if we're indestructible, we've essentially turned our bodies into missiles that destroy everything in our path.
So, our hero swoops in at super speed, grabs her, and carries her to safety.
That sounds very romantic, but, in reality, that girl will probably suffer more damage from the hero than the bullet if he moved her at super
speed.
When the girl at rest, velocity equals zero miles per hour, begins accelerating to reach the
speed
within seconds, velocity increases rapidly to 25,000 miles per hour, her brain would crash into the side of her skull.
Remember, it's not the
speed
that causes the damage because the astronauts survived Apollo 10, it's the acceleration or sudden stop that causes our internal organs to crash into the front of our bodies the way we move forward in a bus when the driver slams on the brakes.
What the hero did to the girl is mathematically the same as running her over with a space shuttle at maximum
speed.
So, she's now falling from 290 feet, instead of 300 feet, reaching the
speed
of 173 feet per second just before impact, not counting air resistance.
If you could fly, what you must do is fly up to her, start flying down at the
speed
she is falling, hold on to her, then gradually slow down until you come to a complete stop.
As of 2012, the world record for fastest short-distance sprint
speed
is roughly 27 miles per hour.
Running
speed
depends on how much force is exerted by the runner's legs, and according to Newton's Second Law of Motion, force is the product of mass times acceleration.
His fastest recorded
speed
is less than 5 miles per hour.
Nah, I don't think so! Now, assuming you were granted the ability to float and the
speed
to move around efficiently, let's discuss the height of your flight.
Nowadays, we test the
speed
of computers by having them calculate pi, and quantum computers have been able to calculate it up to two quadrillion digits.
Not wanting to fall too far behind, President Eisenhower ordered the Navy to
speed
up its own project and launch a satellite as soon as possible.
The LHC whizzes subatomic particles around a 27-kilometer ring, getting them closer and closer to the
speed
of light before smashing them into each other inside gigantic particle detectors.
It's called the Reynolds number, and it depends on simple properties like the size of the swimmer, its speed, the density of the fluid, and the stickiness, or the viscosity, of the fluid.
Because of the
speed
and brevity of social media, we are forced to jump to conclusions and write sharp opinions in 140 characters about complex world affairs.
Speed
away from Earth was one thing, and
speed
toward the Moon was quite another.
When Captain Kirk ask Lieutenant Sulu if the Starship Enterprise has reached a
speed
of warp 7, Sulu should reply, "Relative to what, Captain?"
Galileo seems to have been the first person to realize that there is no such thing as an absolute
speed.
Earth's
speed
is 19 miles/second relative to the Sun.
The Enterprise's
speed
is warp 7 relative to the center of the Milky Way galaxy.
Your
speed
is zero relative to your easy chair.
The concepts of
speed
and of rest have only relative meaning.
If, someday, you are buckled into your spaceship, and you see from the side window, say, a space station whizz by at constant speed, there is no way to know which of you is really moving.
Neither of you is really moving because there is no deep reality about constant
speed.
Constant
speed
in a straight line has only relative meaning, a kind of relative reality.
For example, constant
speed
is relative, but change in
speed
is absolute.
When your spaceship fires its engines, your change in
speed
is beyond doubt.
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