JAMB - Mathematics (2007 - No. 20)
W ∝ L2 and W = 6 when L = 4. If L = √17 find W
67/8
65/8
63/8
61/8
ব্যাখ্যা
W ∝ L2
W = KL2
K = W/L2
K = 6/42
K = 6/16 = 3/8
W = 3/8 L2
W = 3/8(√17)2
W = 3/8 x 17
W = 51/8 = 63/8
W = KL2
K = W/L2
K = 6/42
K = 6/16 = 3/8
W = 3/8 L2
W = 3/8(√17)2
W = 3/8 x 17
W = 51/8 = 63/8