Diketahui : y = 0.2 sin 0.4 π ( x - 60t) y = 0.2 sin (0.4 πx - 24πt) cm x = 35/12 cm t = 1/24 s
DItanyakan : y = ... cm
Pembahasan : y = 0.2 sin (0.4 . π . (35/12) - 24 π / 24 ) y = 0.2 sin ( (7/6) π - π ) y = 0.2 sin ( π/6 ) y = 0.2 sin 30° y = 0.2 . 0.5 = 0.1 cm = 1 mm ... ( A )
Verified answer
Diketahui :y = 0.2 sin 0.4 π ( x - 60t)
y = 0.2 sin (0.4 πx - 24πt) cm
x = 35/12 cm
t = 1/24 s
DItanyakan : y = ... cm
Pembahasan :
y = 0.2 sin (0.4 . π . (35/12) - 24 π / 24 )
y = 0.2 sin ( (7/6) π - π )
y = 0.2 sin ( π/6 )
y = 0.2 sin 30°
y = 0.2 . 0.5 = 0.1 cm = 1 mm ... ( A )