Answer:
Explanation:
Given
Frequency of whistle
Human hearing frequency
When a source or observer moves relative to each other then there is change in apparent frequency which is given by
where v=velocity of sound(340 m/s )
=velocity of observer
=velocity of source
=apparent frequency
=original Frequency
Answer:
The options are
Stand up.
Move to the bow.
Move your dog and gear behind you.
Stop the boat and turn off the motor. Anchor or secure the boat.
The Answer is
Stop the boat and turn off the motor. Anchor or secure the boat.
Explanation:
Before firing a shot from a small boat there needs to be stability in order to aim the target well and prevent stray bullets. The stability also helps in preventing accidents which may occur with the individual falling into the sea when attempting to fire a shot. This is the more reason why the boat should be stopped with the motor being turned off and anchoring or securing the boat.
What textbook is it though.....?