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 ▸Describe what red shift is and why i provides evidence for the Big Bang Theory.
Describe how a crumple zone on a car reduces injury to the driver in a crash.
Is momentum a vector or a scalar quantity?
Car 1 has a of mass 1000kg and is going at 20m/s. Car 2 has the same mass as Car 1 and is stationary. If they collide and travel together as one unit in the same direction as Car 1 was going, calculate the speed of the unit after the collision.