It takes the pendulum of a clock 7 seconds to strike 4 o'clock. How much time will it take to strike 11 o'clock?
18 seconds
19.25 seconds
20 seconds
23.33 seconds
Answers
Answered by
5
Answer:
The correct option is D.
Explanation:
The more relevant thing in this case is not the number of strikes but the number of time intervals.
If a clock has to strike 4, there are 3 time intervals between the 4 strikes So, in 7 seconds the pendulum elapses 3 time intervals.
To strike 11, there has to be 10 time intervals, which will take (10 x 7)/3 = 23.33 seconds.
Answered by
0
Answer:
20 seconds is your answer
Explanation:
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