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primary 6 | Science
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Tan You Ki
Tan You Ki

primary 6 chevron_right Science

Pls help with a & b

Date Posted: 7 years ago
Views: 823
Chong Jia Hao
Chong Jia Hao
7 years ago
a) As the clip was released the chemical potential energy stored in the balloon was converted into wind as kinetic energy and sound energy propelling the hovercraft forward

b)Well with a layer of air cushion below the hovercraft it creates a platform where there is very less frictional force hence with a lesser frictional force preventing the object from stopping easily it allows it to move easily on any surface.

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37 answers (A Helpful Person)
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Full Explanation is for your information only. I came out with this full answer, however, only when i wanted to upload the answer, then i realised that it is Primary 6, so i simplified the answer. However, it will be great if you can read it and understand it.

For part b, what is the question?