Define scalar and vector quantities

Vectors: have magnitude and direction

Scalers: have only magnitude

-They are different because scalers don't have direction like vectors do

-they are alike because they both have magnitude

Hope this helps!

I just learnt about this, so that was great timing! :)

into the screen

explanation:

the wind is hitting the car into the screen

sonar - device which is used to find the submit submarines, sankalp ship. sonar waves consists of a transmitter and detector which are installed in the observation centre on board of a ship. the ultrasonic waves are sent into the sea at high frequency about 1000 khz in all direction.