GCSE Physics - The difference between Speed and Velocity & Distance and Displacement #51 

Tip to remember what speed and velocity are: Scalar and speed both begin with s Vector and velocity both begin with v

If you’d like to practise what's covered in this video, check out the lesson on the Cognito platform - cognitoedu.org/coursesubtopic/p2-gcse-aqa-h-t_3.01. The platform’s totally free, and has been built to make learning and revision as easy as possible. The main features are: - Lessons organised by topic, only the lessons relevant to your specific exam board and tier are shown. - Automatic progress tracking. Progress bars tell you what you’re doing well at, and what you need to spend some time on. - Practise quizzes so you can test your knowledge. You can quiz yourself on any combination of topics you like. - A huge number of fully-hinted questions that take you step-by-step through some of the trickiest calculations & concepts. - A comprehensive bank of past exam papers, organised both by year, and also by topic. Amadeus & Tom

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So if u get a problem asking to solve the speed of something going east or north, would that be a trick question that can't be solve????

@Cognito Hello! Just one thing, at 4:04 why is it also displacement that you can use to calculate the average speed over the course of the whole journey? Is it that they both give a magnitude? I’m rlly confused 🙁😭

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Why we calculate speed with direction is velocity but we know that the speed is distance by time and the velocity is displasment by time so speed with direction as velocity but it's distance not displacement so why we calculate like this what's is reason, please solve my confusion,..(please........)

The video explains the differences between speed and velocity, and distance and displacement, providing formulas and examples to understand these concepts. Key moments: 00:04 Understanding the difference between scalar and vector quantities is crucial in physics. Speed is a scalar quantity, conveying only magnitude, while velocity is a vector quantity, indicating both magnitude and direction. -Differentiating between distance and displacement is essential in physics, with distance being scalar and displacement being vector, both providing magnitude but displacement also giving direction. -Calculating speed involves dividing distance by time, resulting in a scalar value, while calculating velocity requires considering displacement over time, yielding a vector value with direction. -Using velocity allows for representation of negative values to indicate direction, and calculating average speed or velocity involves dividing total distance or displacement by total time taken for the journey. 04:19 Different objects have varying speeds, with people walking at 1.5m/s, cars at 25m/s, and planes exceeding 250m/s. Speed can be influenced by factors like age, health, and effort. -Sound waves travel at 330m/s in air but change speed in different mediums like water. Wind speed can vary from still to faster than a train, affected by factors like temperature and atmospheric pressure. -Speed is not the only variable, as structures like buildings and mountains can affect wind speed. Understanding these factors helps in comprehending the speed of various objects.

Watching the morning of my exam 23/06

can't wait for last exam on Thursday 23rd June 2022 Physics Paper 2 Then we are chilling

Hi man , Thanks! But how do you find resultant velocity of 2 objects travelling in same direction at different speeds

Backwards is not a vector?

Greetings fellow members of 10Te

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Plz do the past papers aswell

watching for class

What is meter per second.....the video helped alot

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Igcse exams 😪😢

Do we need to know speeds of people and objects for exams?

Hi

Thank you so much. All the videos you make are so clear and easy to understand. Well done!!

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My Car 🚗 😅 maybe goes 70 m/s

lmfao who is running at 3m/s

Ah yes, incognito's extroverted brother. Cognito

Hello

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