sparkles
A T shirt launcher launches shirts at 15 m/s. If it takes 0.30 s to accelerate a 250 g shirt to launch speed, determine the force exerted on the shirt. You can assume no friction.
I just need the final answer Please ! btw this is a physics question
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NotTim
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so, let's draw a diagram first and then make a variables list. then, find whic hformula we need.
sparkles
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ok
NotTim
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are we doing the entire motion, or just when it initally leaves the cannon?
sparkles
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|dw:1343190086331:dw|
sparkles
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im actually not sure :S
NotTim
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|dw:1343201268249:dw|
TuringTest
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\[F=ma=m\frac{\Delta v}{\Delta t}\]
TuringTest
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that's all you need, just be careful about the units
NotTim
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sigh....turingtest beat me to the punch...
TuringTest
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I like how you were thinking out the different factors in the question though.
Props on that ;)
sparkles
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so final answer would be 12.5 ?
maheshmeghwal9
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12.5 newtons??????????????
I mean wt unit did u take?
sparkles
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yea 12.5 N
sparkles
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i did F=ma
maheshmeghwal9
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yeah u r right then:D @sparkles
sparkles
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F=(0.25)(50)
= 12.5 N
sparkles
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okay thanks :D
maheshmeghwal9
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welcome:D