Answers
>
Physics
>
GCSE
>
Article
Define the term ultrasound wave
An ultrasound wave is a soundwave with a frequency higher than 20,000 Hz
RA
Answered by
Reni A.
•
Physics tutor
4602 Views
See similar Physics GCSE tutors
Related Physics GCSE answers
All answers ▸
Explain why a simple electric motor continues to turn in the same direction when there is a current in the coil (6 marks)
(IGCSE, Jan 2013, q8 adapted) The astronaut David Scott dropped a hammer and a feather from rest, at the same time and from the same height on the moon. The hammer and the feather landed at the same time. Why?
A simple circuit contains a battery rated at 12V, connected in series to a filament lamp with a resistance of 3 ohms. What current flows through the filament lamp?
I don't understand acceleration and how something can accelerate without speeding up.