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# What is the speed of terminal velocity?

❶Each of these will increase the terminal velocity. Rotation will matter since seams are so important in baseball dynamics.

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Merge this question into. Split and merge into it. What is the speed of terminal velocity? I used to do a bit of parachuting back in the 70s and terminal velocity was always reckoned to be about mph kph achieved after about 12 seconds in free fall.. But different objects will have different TVs, depending upon how aerodynamic they are.. When an object is in a freefall, and it reaches its terminal speed, there is no net force, and so its acceleration is zero..

Going down, the direction of the air resistance is downwards, whereas that of the weight is upwards. Going up, air resistance R and weight W are in the same direction.

How do you get terminal velocity? Terminal velocity There is more than one explanation for terminal velocity, I think you are asking about a person or skydiver as opposed to a bullet. Terminal velocity is the velocity reached when the drag force equals the weight of the body minus the buoyant force, which halts acceleration and causes speed to remain constant.

This velocity is the asymptotic limiting value of the acceleration process, since the effective forces on the body more and more closely balance each other as it is approached. Can gasoline ignite at terminal velocity?

This question made me smile. What IS the terminal velocity of gasoline, anyway?!. But seriously, is the gasoline spilled from a gas can from the observation deck of the Empire State Building? Or did someone chuck a can off the deck? If it's the latter you had in mind, do you think the can will spontaneously cumbust on the way down, or do you think it will blow up when it hits the ground?

The question leaves a lot to the imagination.. Unless you're talking about the can's exploding upon impact, the answer is no. If you're talking about an explosion upon the can's impact with the ground, then maybe. But the impact would have to produce a spark.

If it doesn't, there would not be enough heat generated to ignite the gas fumes. What is the definition of terminal velocity? I will try and help you with this one.. What is the terminal velocity of a car? Assuming atmospheric conditions density of air being 0. The terminal velocity of a car under these conditions would be about 52 mph. This is assuming it's falling flat.

If the car was falling pointing down, the terminal velocity would be something more like 90mph. Obviously this answer will vary by changing the assumptions. What is the formula for terminal velocity? Mathematically, terminal velocity-without considering buoyancy effects-is given by.

What causes terminal velocity? For a particular object falling through the air, the force of gravity accelerates the object, while the force of drag increases as the object's velocity increases.

At some point the object's upward drag is equal to the downward force of gravity, and no more acceleration occurs Newton's First Law.. Some factors change this a bit:. In air, depends on the force behind it and the objects drag coefficient. In a vacuum, the speed of light. Terminal velocity of an egg?

It is when the total air in the egg is the same as the friction created by the shell. That is when it has created terminal velocity. What are the affects of a terminal velocity? If someone is skydiving, the terminal velocity would be the greatest velocity reached by the falling person until they open their parachute.

So in that case, the effect would be slowing down because of the parachute. The effect may vary from different cases. Explain the term terminal velocity? The point at which the acceleration due to gravity is equal to the friction of the air dragging on the object generally. When the two are equal, they cancel out and no more acceleration occurs, causing the object to have attained the fastest speed possible. What is the terminal velocity of an object? The Terminal velocity depends on a few properties of the object falling and the medium that the object is falling through.

The balloon is a very small mass and the resulting force due to gravity is also very small. Therefore, the wind friction required to counter the gravitational force is very small.

The shape of the object A flat piece of paper will float down more slowly than a piece of paper that is crumpled up in a ball. The orientation of the object Facing one way the object may present a larger surface area to the oncoming wind slowing it down. Facing another way, a smaller surface area may be presented to the wind allowing the object to fall faster. There may be a couple of others. So what is falling through what medium?

What is the terminal velocity of the common swift? Only the hobby can maneouvre fast enough to catch a swift. By comparison the cruising speed of an unladen!

What is speed of terminal velocity of satellites? To stay in orbit, I believe they have to maintain a speed of 25, miles per hour. What is the terminal velocity of a sparrow? The speed at which it hits the wall and breaks its neck. Actually it depends on the shape and structure of the sparrow. Specifically it has to do with how much air resistance the sparrow creates while falling.

What factors affect terminal velocity? This is because it will have larger air resistance acting upwards on the object; therefore the object will travel at a slower rate.

The flat stable diver will travel at a slower rate than the head down diver, and will have a slower terminal velocity. This of course is because of surface area and the air resistance working against area of the object or sky diver that is exposed. How does an object achieve terminal velocity? Can terminal velocity cost death? Terminal velocity is the speed at which air friction produces enough drag to balance the effect of gravity and cease acceleeration keeping the subject at a constant speed downward.

For an unaided person, it is almost certain death since t. However with a parachute we are slowed to speeds at which we will easily survive. What is terminal velocity? Terminal velocity is the constant maximum velocity reached by abody falling through the atmosphere under the attraction ofgravity.

An object is moving at its terminal velocity if its speedis constant due to the restraining force exerted by the air, water,or other fluid through which it is moving.

What is the terminal velocity for water? That's innanswerable, take for instance rain, which comes in many different sizes, it's terminal velocity is reached when the force of friction becomes equal to the force gravity is applying on it. But as water groups together in different sizes and therefore when falling has different levels of friction it falls at different speeds and so the terminal velocity of water depends on the amount of water.

Is constant velocity and terminal velocity the same? Yes, but only in free-fall. If I'm driving at 60 mph, I have a constant velocity, but it's not my "terminal velocity" in the sense that there is no limit to my acceleration caused by air friction. Explain the term ''terminal velocity''? When an object falls through the air it accelerates towards the ground.

The faster it goes, the more air resistance there is. Eventually the resistance of the air balances the weight of the body. At this point the body ceases to accelerate; it is said to have reached terminal velocity. How can you increase your terminal velocity? By decreasing your friction. Making the falling body more streamlined such that the "bow wave" is decreased, and the partial vacuum behind the falling body drag is efficiently filled, as well as reducing the interaction between the surface interface between the falling body and the air moving past it.

Each of these will increase the terminal velocity. However, one eventually reaches a maximum which cannot be exceeded. What is meant by the term terminal velocity? Terminal velocity is the maximum speed an object will reach before air resistance pushing up on it and gravity pulling down on it equalize, thus making it's acceleration null.

What is the terminal velocity of a plane? There is no such thing as the terminal velocity of a plane unless you consider the speed of light to be which requires unlimited energy to reach.. Terminal velocity refers to objects falling to earth under the force of gravity and have wind resistance drag. Wind resistance is an equation based on the velocity of an object which means that at one point acceleration due to gravity and the drag force have equal forces which means the object remains at a constant velocity terminal velocity..

Planes have more then just gravity and wind resistance on them which means the more powerful the force that is created by the planes engine the faster the plane can go. How Can A Skydiver Increase his or her terminal velocity? The less air resistance the faster he can go.

By pointing his face or feet down and holding his arms close to his body he minimizes air resistance and falls faster. By positioning his body parallel to the ground and spreading out his limbs he maximizes air resistance and will fall slower. The type of clothing worn also has an effect. A loose fitting fabric jumpsuit will tend to reduce terminal velocity and a tight fitting nylon jumpsuit will increase it. Some jumpers wear lead weight to adjust their fallrate.

This is usually so slim light jumpers can match their fallrate with heavier jumpers. If you are more mathematically inclined you could examine this paper. In any case, I worked out the curves for the speed versus the distance fallen for raindrops and a baseball as shown in figure 2. A small droplet in a drizzle purple reaches its terminal speed of 8 mph after falling just a couple of feet.

A larger drop from a downpour green has around twice the terminal speed, 17 mph, after falling roughly 30 feet. After falling 40 feet a baseball blue is falling at almost the same speed as it would if there were no drag red on it at all. The larger drop is mostly in the intermediate condition of figure 1b where it can still speed up a bit because the drag has not gotten as large as the weight. The baseball is in the state of figure 1a where the gravitational force is much larger than the drag.

So, the baseball must fall farther to reach its terminal velocity. Figure 3 shows the fall of a baseball over a 1,foot distance. However, by the time the ball has fallen feet drag is clearly slowing it down. Back to Gabby Street. The Washington Monument is feet tall. Of course the windows are a bit below. Looking at figure 3, it appears that the ball was traveling about 89 mph when it reached the ground. So, in terms of speed, this was most likely slower than the typical Johnson fastball Gabby had been catching all season.

The invention of airships added additional opportunities to catch baseballs dropped from great heights. In even the mighty Babe Ruth caught a ball dropped from a plane which, according to The New York Times , was at a reported altitude of feet. According to figure 3, the ball was moving at only about 75 mph. What is not up to speculation is the physics of figure 3. After an foot drop the ball would be going about The first ended when the wind came up, but the second effort was successful.

Our graphs tell us that after falling 40 feet the ball will be moving 33 mph. Does your guess agree with the graph? The calculation gives You can definitely see the drag lets the ball speed up rapidly when it is moving slowly. However, it speeds up more slowly as the speed increases leading to a terminal speed. In fact, the ball at 1, feet still has a few mph to go to reach terminal speed.

Judging by the graph it would need to drop a bit closer to 1, feet. Well, at least I had something else to think about for while. Could you please send me the email address for that person?

My company is really interested in running some ads and would like to discuss the details in case you are interested. I was hoping this would be more about balls hit in a game. How about home runs? How fast are they going when the fan in the bleacher barehands it?

Rotation will matter since seams are so important in baseball dynamics. Have your models included some range of rotation rates to investigate the range of possible terminal velocities? As Neal mentioned rotation is an important factor… the math gets much more complicated but would be curious to hear your thoughts.

Also in your anecdote of the ball being dropped from a plane, you only considered the vertical vector of velocity — presumably the plane had enough airspeed to stay aloft, and any object dropped from the plane rather than thrown backward would have the same horizontal velocity vector, and the total speed sum of the horizontal and vertical vectors would be higher than you estimated. Without thinking too much about it, the spin will cause sideways deflections.

So you could say that pop ups top out just below feet. Thanks for the shout-out.

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When a baseball falls through air, it’s inertia is opposed by air friction. The ball will achieve a terminal velocity when the mass of the ball matches the air friction forces which oppose it.3/5(1).

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The terminal velocity of a baseball at sea-level is 33 m/s or approximately 74 miles per hour.