Question

Lenght of seconds pendulum is 100cm.find the lenght of another pendulum whose time period is 2.6 seconds

Answer 1

Answer:

time period of seconds pendulum =2sec

length=100 given

100cm =2sec

x cm =2.4sec

do cross multiply

x×2 = 2.4×100

2x=240

x=240/2

x=120 Cm is length .

Answer 2

Answer:

time period of second pendulum =2 second

length=100 given

100 cm =2sec

X cm =2.4sec

do cross multiply

X×2=2.4×100

2x=240

x =240/2

x =120cm

length is 120 cm