A ship sends a signal to the shore located $1360 m$ away and the signal returns in $8 s$ . Calculate the speed of the signal.

85 m/s

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340 m/s

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170 m/s

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680 m/s

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Solution

The correct option is B $340 m/s$
Distance of the ship from the shore, $S = 1360 m$
Time taken for signal to return from the shore, $= 8 s$
Time taken for signal to reach the shore, $t = \frac{8}{2} = 4 s$
Velocity of signal,
$V = \frac{S}{t}$
$V = \frac{1360}{4} = 340 m/s$

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A ship sends a signal to the shore located 1360 m away and the signal returns in 8 s. Calculate the speed of the signal.

The correct option is B 340 m/sDistance of the ship from the shore, S=1360 m Time taken for signal to return from the shore, =8 s Time taken for signal to reach the shore, t=82=4 s Velocity of signal, V=St V=13604=340 m/s

A ship sends a signal to the shore located $1360 m$ away and the signal returns in $8 s$ . Calculate the speed of the signal.

The correct option is B $340 m/s$
Distance of the ship from the shore, $S = 1360 m$
Time taken for signal to return from the shore, $= 8 s$
Time taken for signal to reach the shore, $t = \frac{8}{2} = 4 s$
Velocity of signal,
$V = \frac{S}{t}$
$V = \frac{1360}{4} = 340 m/s$