358 views

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

v = f x lambda

therefore lamba = v/f

f=1/T

f = 1/0.2 = 5Hz

lambda = 20/5 = 4m

10 months ago

Answered by Hannah, a GCSE Physics tutor with MyTutor

## Still stuck? Get one-to-one help from a personally interviewed subject specialist

#### 270 SUBJECT SPECIALISTS

£24 /hr

Degree: Mathematics MMath (Masters) - Manchester University

Subjects offered:Physics, Maths+ 1 more

Physics
Maths
Further Mathematics

“Hello there, I'm Mark and I study Mathematics at the University of Manchester! Let me help you achieve your best!”

£18 /hr

Degree: Veterinary Science (Bachelors) - Bristol University

Subjects offered:Physics, Science+ 5 more

Physics
Science
Maths
Chemistry
Biology
-Personal Statements-

“Veterinary student at the University of Bristol with a background in science and maths, and experience in a summer language school.”

MyTutor guarantee

£24 /hr

Degree: Mechanical Engineering (Integrated Masters) - Imperial College London University

Subjects offered:Physics, Spanish+ 5 more

Physics
Spanish
Maths
English Literature
English Language
Economics

“I am a passionate, energetic and motivating student with a genuine interest in all my subjects, hoping to inspire and help students achieve their end goals.”

MyTutor guarantee

£22 /hr

Degree: Chemistry (Masters) - Durham University

Subjects offered:Physics, Maths+ 2 more

Physics
Maths
German
Chemistry

“I am a Chemistry student at Durham university. I am a friendly and patient tutor, and I believe that anyone can do Maths and Science with practice!”

### You may also like...

#### Posts by Hannah

A picture is bought at a sale for £40. It is laster sold for £50. What is the percentage profit?

Describe the difference between a covalent and an ionic bond. Give examples.

How do I form the perfect tense in German?

Solve the simultaneous equations (1) 2a - 5b = 11 (2) 3a + 2b = 7

#### Other GCSE Physics questions

A rocket travels at 500m/s two minutes after its take-off. If it was initially stationary, calculate its acceleration. If the rocket has a mass of 1800kg, what force is required to give it an acceleration of 2m/s^2?

A rollercoaster carriage of mass 100kg has 45kJ of Kinetic Energy at the lowest point of its ride. Ignoring air resistance and friction between the wheels and the tracks, what is the maximum height above this point it could reach? [Take g as 10m/s/s)

Why do objects reach terminal velocity?

How deep is the water if it takes a pulse of ultrasound 0.8s to be received back at the boat. the speed of ultrasound is 1600m/s in water

We use cookies to improve your site experience. By continuing to use this website, we'll assume that you're OK with this.