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AS MECHANICS p42 is (!!!!!!!!!!!!!!!!!!!!!!!!!), discuss after 24H

mr_perfect

mr_perfect

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Taha Nemat said:
it is somewhat like this. after the block hits the wall and starts to go back. the speed is greater so rate of decrease in displacement is more. then speed slows down so rate of decrease in displacement also slows down.
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if u drew a velocity - time graph u'll proly get zero. if displacement time graph then ok
 
mr_perfect

mr_perfect

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sum1 help me over here. 7(i) my answer was 2.84 m/s and 2.46 m/s . are they wrong. i drew the v-t graph perfectly but gave no values for time and velocity. 7(ii) i drew d-t graph perfectly i think. the shape was like an umbrella , but gave no values for displacement or time. can sumbody tell me how much marks i lost there.
 
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