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Standard VII

Physics

Motion

A particle mo...

Question

A particle moves from point P directly towards another point Q which is at a distance of 10cm from P. It then comes to P directly. Calculate: (I) the total distance travelled and (ii) the displacement of the particle.

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Solution

Dear student,

$T o t a l d i s \tan c e = P Q + Q P D i s \tan c e = 10 + 10 = 20 c m A s t h e p a r t i c l e s t a r t s f r o m P a n d c o m e s b a c k t o P, i t s d i s p l a c e m e n t w i l l b e z e r o$

Regards

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A particle moves from point P directly towards another point Q which is at a distance of 10cm from P. It then comes to P directly. Calculate: (I) the total distance travelled and (ii) the displacement of the particle.

Dear student, Total distance =PQ+QPDistance = 10+10 =20 cmAs the particle starts from P and comes back to P,its displacement will be zero Regards

Dear student,

$T o t a l d i s \tan c e = P Q + Q P D i s \tan c e = 10 + 10 = 20 c m A s t h e p a r t i c l e s t a r t s f r o m P a n d c o m e s b a c k t o P, i t s d i s p l a c e m e n t w i l l b e z e r o$

Regards