Answer:
It's C.
Step-by-step explanation:
Answer:

T ' = √2 T
Step-by-step explanation:
Given that
Time period = P
Frequency = T
We know that time period for pendulum given as

When the length become half then time period will become p'
L'=L/2



It means that time period will become 0.707 P.
We know that frequency T
T= 1 /P
T' = 1/P'
T'=√2/P
T ' = √2 T
16 because u multiply 3 by what ever is in the ()
Answer:
Step-by-step explanation:
1 hour = 3600 seconds
Distance traveled in 90 seconds = 5 feet
Distance traveled in 1 second = 5/90
Distance traveled in 3600 seconds = 5*3600 / 90
= 5 * 40 = 200 feet
Answer:
B.
Step-by-step explanation:
$195.42 - $50 = $145.42
$195.42/30% = 136.79