What is the wavelength of a wave travelling at 20ms^-1 with a time period of 0.2s

v = f x lambdatherefore lamba = v/ff=1/Tf = 1/0.2 = 5Hzlambda = 20/5 = 4m

HC
Answered by Hannah C. Physics tutor

3653 Views

See similar Physics GCSE tutors

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)


Describe the model now used for the structure of an atom. Refer to the constituent particles including their relative masses and charges.


explain how the resistance of a filament lamp changes as the potential difference across it increases


Explain the motion and forces on a falling object as it approaches terminal velocity.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning