Member since September 24, 2018

# YRX

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Fri 28 Sep, 2018 08:17 am - Its written: (a) A lump of plasticine sinks in water because it is denser than water. (b) When it is moulded into the shape of a boat, it floats in the water. (c) When the lump of plasticine is... (view)
Fri 28 Sep, 2018 07:45 am - There is difference between an open boat and a closed boat as the air inside a closed boat is contained inside while the air "on" an open boat is always moving. A ship just as titanic... (view)
Fri 28 Sep, 2018 07:27 am - https://www.google.com/url?sa=i&source=images&cd=&ved=0ahUKEwiV3Nuy5t3dAhWESH0KHX3pBVwQMwhHKAAwAA&url=https%3A%2F%2Fwww.pinterest.com%2Fpin%2F815503444996646987%2F&psig=AOvVaw2O... (view)
Fri 28 Sep, 2018 07:23 am - Can you furthur explain it ? (view)
Fri 28 Sep, 2018 07:22 am - but if you make it a sphere, its volume will include the air inside as: 22/7 x 7 cube x 4/3 = 1437.3333 and the mass of 1 cm cube of plasticine is way more heavier than 1 cm cube of air, which... (view)
Mon 24 Sep, 2018 03:41 am - In school, we are taught that when a plasticine is mould into a boat shape, it can float on the water. We were taught that by moulding the plasticine, we can increase the volume of the plasticine... (view)

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