J's answer to Ur mom's Primary 6 Maths Geometry Singapore question.
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Elastic potential energy (when band is stretched) → Kinetic energy + Sound energy (when pebble is flying/moving across the air) →Sound Energy + Heat energy (upon hitting the tree)
Tom can stretch the rubber band further / pull the rubber band backwards for a long distance before releasing it.
Tom can stretch the rubber band further / pull the rubber band backwards for a long distance before releasing it.
Date Posted:
3 years ago