Question

# NO SPAMMING ❌❌❌
# SPAMMING WILL BE REPORTED SURELY
# SPAMMERS STAY AWAY
# SPAMMERS MAINTAIN SOCIAL DISTANCE

Hey please don't spam please​

Answer 1

T=40/20

= 2seconds

frequency = 1/T

= 1/2

hope it helps you

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Answer 2

Answer:

time period = time / no.of.oscillation= 40/20=2 sec

frequency = no.of.oscillation / time = 20/40=0.5hz