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Physics 9th: Motion | Speed and Velocity
9th Physics | Motion | Speed and Velocity SPEED The speed of a body tells us how slow or fast that body is moving. speed of a body is the distance travelled by it per unit time Speed is represented by ‘v’, distance by ‘s’ and time by ‘t’. Therefore The S.I. unit of…
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Physics 9th: Motion | Uniform and Non-uniform Motion
9th Physics | Motion | Uniform and Non-uniform Motion UNIFORM MOTION A body is said to have uniform motion if it travels equal distances in equal intervals of time, howsoever small the time interval may be For example This body is travelling 25 m in the first second, 25 m in the second and 25…