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A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?

 
last one
I just don't give a fuck

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05/19/2017 08:14 AM

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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
OP failed and dipped.
 Quoting: Anonymous Coward 72574164


User ID: 55667583 sufficiently answered the question. In long form, the answer is 33.6393597 meters per second.

siren2
 Quoting: Anonymous Coward 74920422

TBL-opinion
Titcoin

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05/19/2017 08:19 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
My participation in this thread is over. Congratulations User ID: 55667583 for coming extremely close to the right answer of 33.6393597 meters per second.

siren2 siren2
 Quoting: Anonymous Coward 74920422


Your fukin crazy if you think that's the answer, lol.
Anonymous Coward
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05/19/2017 08:19 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
Not enough info. How big is the ball? How much does it weigh, etc.

At what height was it hit from and what height was it caught at?
Anonymous Coward
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05/19/2017 08:20 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
My participation in this thread is over. Congratulations User ID: 55667583 for coming extremely close to the right answer of 33.6393597 meters per second.

siren2 siren2
 Quoting: Anonymous Coward 74920422


Retarded OP doth dot
Comprehending significant digits. s226
 Quoting: MAD CAPPER 73447775


33.6 m/s is indeed correct. The op did everyone a favor by posting the significant figures, because it allows for higher accuracy when converting to M.P.H. If you use only 33.6 m/s you get 75.16 m.p.h. but if you use 33.6393597 m/s, you get 75.249104 M.P.H. which is much more accurate. 5 star thread op.
Anonymous Coward
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05/19/2017 08:28 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
This is a tough one. cruise
 Quoting: GLP's Science Class 74920422


The question is moot. Atmospheric factors, such as humidity and wind, affect the travel of the ball, as well as the height from which the ball was hit and caught and the spin of the ball as it traveled.

norespect
SW Fla Pirate

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05/19/2017 08:37 AM

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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
Anonymous Coward
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05/19/2017 08:51 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
the OP has worded the question incorrectly thats what is causing the confusion. The working out using the suvat formula only qualifies if you know that the object in question was at rest at the beginning like a cannonball waiting to be fired. Also with the same cannonball it lands unlike the OPs question in which he claims the ball is caught. And the ball can be caught from any height from just above ground to 2.5 m in the air. The op thought he was being clever but turns out to be a dick
Watchtheworldburn

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05/19/2017 08:55 AM

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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
never said what the ball was hit with,
never said what the angle was relative to
never said if the ball bounced, what height the ball was caught at from the ground, etc.

incomplete question is incomplete.
Sanitarium
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05/19/2017 08:56 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
Hint Trajectory of a projectile - [link to en.wikipedia.org (secure)]
Anonymous Coward
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05/19/2017 09:16 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
Ball rotation?

Wind?

Bat and ball energy absorbing value?

Bat velocity? accelerating or constant?

What the batter had for lunch?
Anonymous Coward
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05/19/2017 09:19 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
never said what the ball was hit with,
never said what the angle was relative to
never said if the ball bounced, what height the ball was caught at from the ground, etc.

incomplete question is incomplete.
 Quoting: Watchtheworldburn


Ah, but what facts and constants available, you have to work algorithmically backwards to compute the missing variables. Ouch, difficult to do if you are not a math/physics type but it is possible detective.
MarPep

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05/19/2017 09:30 AM

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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
If we assume constant velocity with no slowing due to air resistance or wind
Tangent of 30 =0.577 so if was rising for 1/2 of flight, maximum height would be (0.577) x (50 meters) = 28 meters.

28 meters up plus 28 meters down = 56 meters

Time to fall 56 meters = 3.38 sec

Using cosine 30 degrees for hypotenuse, ball travels a total distance of (100 m)/ (0.866)= 115meters

115m./3.38s = 34 m/s = 76 mph
__________________

Addendum--I rounded off poorly in my head, should have used 29 meters instead of 28.

Time to fall 58 meters = 3.44 sec

115/3.44 = 33.43 m/s = 74.78 mph

This assumes we are playing in a vacuum, and rounding off some distances. Without rounding off, the answer would be between those two speeds.

_______________

With air resistance, the ball would be slowing constantly, so that its velocity at the end would be much slower than leaving the bat---hence the speed leaving the bat would be much faster--probably 90-120 mph. That's why pitchers get injured by batted balls--they're coming back faster than they were sent to the batter.
___________________

some measured velocities, launch angles, and distances in baseball:
[link to m.mlb.com]

Last Edited by MarPep on 05/19/2017 12:55 PM
Marley
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Lovers and madmen have such seething brains,
Such shaping fantasies, that apprehend
More than cool reason ever comprehends.
Anonymous Coward
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05/19/2017 09:32 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
Ball rotation?

Wind?

Bat and ball energy absorbing value?

Bat velocity? accelerating or constant?

What the batter had for lunch?
 Quoting: Anonymous Coward 73364948


gravity? moon?
etc
Anonymous Coward
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05/19/2017 09:33 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
Is it a flat bat from the Apollo missions?
Anonymous Coward
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05/19/2017 09:50 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
It's a trick question, softballs and baseballs travel in yards and feet not meters and centimeters.
Anonymous Coward
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05/19/2017 10:18 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
All the ballistic and trajectory formula equations to solve this problem are here - [link to en.wikipedia.org (secure)]
Daggo
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05/19/2017 10:25 AM

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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
This is a tough one without knowing the speed of the incoming ball being hit due to Newtons law of action reaction. Or was the ball stationary? Also how tall was the catch height or do mean when it hit the ground?

But all in all it's speed was the same speed of the bat when hit. s226

Last Edited by Daggo on 05/19/2017 10:30 AM
Pirate Flag
Anonymous Coward
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05/19/2017 10:52 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?

 Quoting: Anonymous Coward 74920422


Best thread ever. yep-butthurt
visitor
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05/19/2017 11:01 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
Anonymous Coward
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05/19/2017 11:03 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
Hint: The trigonometric identity must be multiplied by two.
 Quoting: Anonymous Coward 74920422


jerkit
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05/19/2017 11:05 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
This is a tough one. cruise
 Quoting: GLP's Science Class 74920422


No way to answer because you are missing an important variable....

At what trajectory was it at when caught?

You are not too bright Op.

In fact you are full of stupid.
Useless Cookie Eater
Cookie Meister

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05/19/2017 11:09 AM

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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?

 Quoting: GLP's Science Class 74920422


ZERO.


fact
Anonymous Coward
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05/19/2017 11:13 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
Love the girls fast pitch college softballs.
Anonymous Coward
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05/19/2017 11:20 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
33.33333
Anonymous Coward
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05/19/2017 11:35 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
Not enough info to solve for speed.

OP a tard.
 Quoting: Anonymous Coward 72574164


^^^^This: you need the height it was hit at; the height caught at (the drop or arc over the 100meters distance); and the flight time to determine the ballistics.
MAD CAPPER
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05/19/2017 11:41 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
My participation in this thread is over. Congratulations User ID: 55667583 for coming extremely close to the right answer of 33.6393597 meters per second.

siren2 siren2
 Quoting: Anonymous Coward 74920422


Retarded OP doth dot
Comprehending significant digits. s226
 Quoting: MAD CAPPER 73447775


33.6 m/s is indeed correct. The op did everyone a favor by posting the significant figures, because it allows for higher accuracy when converting to M.P.H. If you use only 33.6 m/s you get 75.16 m.p.h. but if you use 33.6393597 m/s, you get 75.249104 M.P.H. which is much more accurate. 5 star thread op.
 Quoting: Anonymous Coward 73332424


WRONG s226

Please learn the difference between ACCURACY and PRECISION.
my 2 cents
cointard

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05/19/2017 11:56 AM

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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
Not enough info. How big is the ball? How much does it weigh, etc.

At what height was it hit from and what height was it caught at?
 Quoting: Anonymous Coward 71909182


This. Also, was there a headwind? Tailwind? Plus a lot of other factors the OP doesn't mention.


100% fail
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Anonymous Coward
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05/19/2017 11:58 AM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
there is no softball.
Anonymous Coward
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Finland
05/19/2017 12:35 PM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
I bet the ball isn't a ball when hit with a bat, it's something like sphere? Sqeezed ball? From what point of ball we do measure the speed? Hmm. When leaving the bat: so it's from that side with contact with the bat? Or from the center of the ball, but it's not a ball at that time, if I'm not mistaken.
I'm Finnish so don't know for sure, we only play "pesäpallo" which is similar game.
Anonymous Coward
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05/19/2017 12:39 PM
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Re: A softball is hit at a 30 degree angle traveling 100 meters before being caught. At what speed did it leave the bat?
Oh sorry, should have said geoid instead of sphere me thinks..


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