document.write( "Question 210925: A cheetah can accelerate from rest to 24.0 m/s in 6.06 s.
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document.write( "(a) Assuming constant acceleration, how far has the cheetah run in this time?\r
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document.write( "(b) After sprinting for just 3.03 s, is the cheetah's speed 12.0 m/s, more than 12.0 m/s, or less than 12.0 m/s?\r
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document.write( "Explain.\r
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document.write( "(c) What is the cheetah's average speed for the first 3.03 s of its sprint?\r
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document.write( "For the second 3.03 s of its sprint?\r
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document.write( "(d) Calculate the distance covered by the cheetah in the first 3.03 s and the second 3.03 s.
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document.write( "first 3.03 s\r
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document.write( "second 3.03 s
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Algebra.Com's Answer #159363 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A cheetah can accelerate from rest to 24.0 m/s in 6.06 s. \n" ); document.write( "(a) Assuming constant acceleration, how far has the cheetah run in this time? \n" ); document.write( "a = 24/6.06 = 400/101 m/sec/sec \n" ); document.write( "s = (at^2)/2 = (400/101)*6.06^2/2 \n" ); document.write( "s = 2*6*6.06 meters \n" ); document.write( "s = 72.72 meters \n" ); document.write( "--------------------- \n" ); document.write( "(b) After sprinting for just 3.03 s, is the cheetah's speed 12.0 m/s, more than 12.0 m/s, or less than 12.0 m/s? \n" ); document.write( "v = at = (400/101)*3.03 \n" ); document.write( "v = 12 m/sec \n" ); document.write( "Explain. No need to explain, it's a calculation. \n" ); document.write( "------------------------ \n" ); document.write( "(c) What is the cheetah's average speed for the first 3.03 s of its sprint? \n" ); document.write( "For the second 3.03 s of its sprint? \n" ); document.write( "Its speed increases linearly, so it's 1/2 of the 12 m/sec \n" ); document.write( "= 6 m/sec \n" ); document.write( "------------ \n" ); document.write( "(d) Calculate the distance covered by the cheetah in the first 3.03 s and the second 3.03 s. \n" ); document.write( "first 3.03 s \n" ); document.write( "s = at^2/2 = (400/101*3.03^2)/2 \n" ); document.write( "s = 18.18 meters \n" ); document.write( "------------------ \n" ); document.write( "second 3.03 s \n" ); document.write( "= 72.72 - 18.18 = 54.54 meters \n" ); document.write( "-------------- \n" ); document.write( " |