A seconds pendulum is a pendulum whose period is precisely two seconds;onesecondforaswinginonedirection andonesecondforthereturnswing,afrequency of1/2Hz.Atstandardgravityitslengthis0.994 m.
? = 120% of (652 ÷ 132 ) + 33 × 8
110 ÷ 5.5 + (?)3 ÷ 12 = 20(2/3)
62 of 8 - 320 ÷ 4 = ?3 + 200
(2500 ÷ √625) × √(42.25) = ? ÷ 4
[(1245 ÷ 9) ÷ 12] × 540 = ?2 – 175
Simplify the expression -:
0.25% of 22200 – 18.3 = ?
323 × 15 + (?)² = 4989
Simplify the given expression.
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