Aboomer is flying at a height of 9km at 800km/h. how far in front of the target should he drop his booms?

Explain using examples, what is simple harmonic motion and why it is an important area of study in physics.

What best describes a sonar wave? transverse and electromagnetic transverse and mechanical longitudinal and electromagnetic longitudinal and mechanical

When you drop a pebble from height a it reaches the ground with speed v if there is no air resistance. from what height should you drop it so it will reach the ground with three times the speed? (a) 9m (b) 3m (c) 6m (d) 18m