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PHYSICS - Trial Paper Collection

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papercollection7(c)Which statement correctly describes the water in the glass after it is left for a fewhours. Mark ( ) in the correct box.Pernyataan manakah yang memerihalkan dengan betul tentang air dalam gelasitu selepas dibiarkan selama beberapa jam. Tanda ( ) pada kotak yang betul.There is no transfer of energy between the water and the surroundingsTiada pemindahan tenaga antara air dan persekitaranThere is no net transfer of energy between the water and thesurroundingsTiada pemindahan bersih tenaga antara air dan persekitaran[1 mark]3 Diagram 3 shows a block of concrete being lowered to the bottom of a lake. Thevolume of the block is 2.5 m 3 and its weight is 125 000 N. The density of the water inthe lake is 1 010 kg m –3 .Rajah 3 menunjukkan satu bongkah konkrit diturunkan ke dasar sebuah tasik. Isipadubongkah itu ialah 2.5 m 3 dan beratnya ialah 125 000 N. Ketumpatan air dalam tasik ituialah 1 010 kg m –3 .TWaterAirConcrete blockBongkah konkritDiagram 3 / Rajah 3(a)State the SI unit for pressure.Nyatakan unit SI bagi tekanan.………………………………………………………………………………………[1 mark](b) State one factor that affects the pressure at a point below the surface of a liquid.Nyatakan satu faktor yang mempengaruhi tekanan pada satu titik di bawahpermukaan cecair.………………………………………………………………………………………[1 mark]

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