A wheel rolls 8 times (2880 degress) to move 12m. How many degress must the wheel rotate to roll 0.5 meters?

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2007-11-29 16:45:11 · 2 answers · asked by Bobby S 3 in Science & Mathematics ➔ Mathematics

It rolls 8 times to move 12m.
In 12m, we have 24 rolls of 0.5 meters. So, it needs to rotate 8/24 = 1/3 times (or 120 degrees).

2007-11-29 16:53:46 · answer #1 · answered by c_y_t_y 2 · 2⤊ 1⤋

12m<-------> 8 revs
0.5 m<------>(0.5/12) x 8 revs
= 4 / 12 revs
= 1 / 3 revs
= 120Â°

2007-11-30 04:25:41 · answer #2 · answered by Como 7 · 3⤊ 1⤋