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A particle moving with an initial velocity of 5m/s is subjected to a uniform acceleration of - 2.5m/s 2 . Find the displacement in the next 4 sec.

 A particle moving with an initial velocity of 5m/s is subjected to a uniform acceleration of - 2.5m/s2. Find the displacement in the next 4 sec. 

Grade:9

3 Answers

Saurabh Kumar
askIITians Faculty 2400 Points
8 years ago
Use,
s = ut – ½ at2
Prajwal Kavad
603 Points
8 years ago
use equations of motion : s=ut+1/2 at2 , just put the values , u=5,t=4and a=-2.5 then u will get s=10, therfore displacement is 10m
Akshat
11 Points
6 years ago
s=ut+1/2at2 , since U=5: t=4: and a=-2.5, hence
s=5x4+1/2x(-2.5)(4)2 => 20+1/2x(-2.5)x16 => 20+1/2x(-400) => 20+(-20) => 0 m
Therefore displacement would be 0m

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