Define the term ultrasound wave

An ultrasound wave is a soundwave with a frequency higher than 20,000 Hz

RA

Related Physics GCSE answers

All answers ▸

Two cars are crash tested. Car A has a crumple zone, B doesn't. Both cars have mass 1500kg and a driver of mass 80kg and crash at 20m/s. Cars A and B take 0.8 and 0.2 seconds to stop respectively. Using this information, are crumple zones a necessity? (6)


What does "superimposition" mean?


Describe the process of the big bang


What energy transfers are involved in you being able to move?