Is this right?
The speed of a falling body varies directly with the time the body has fallen. If the speed of a falling body is 128ft per second at the end of the fourth second, what will be its speed at the end of the tenth second?
Give me a sec and I'll write out my work.
and can someone answer this?
(let me draw it out too)
Stacey Warren - Expert brainly.com
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oh my gosh physics O.O why dost thou behaunt me T_T
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why do girls have nice handwritings -___-
sorryz for crappy writing
What does it mean that the speed of the falling body varies directly with the time the body has fallen? Does that mean it's linear or something? I don't do physics...
lol @lgb I just saw your post...and this is not nice I can't do it on the computer lol
It's a direct variation thing
better than us guys :P =))
v = k*t, v is the speed and t is the time with k being the proportionality constant.
128 = k*4 ...from the question itself.
k = 32
It implies Velocity at the end of 10th second should be, v=32*10 = 320 feet per second.
Maybe, I am not so sure though :/