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26 Nov 2019
a stone is dropped from the top of a building. if it takes 3 seconds for the stone to drop to the ground, (a) calculate the height of the building, (b) with what speed will the stone hit the ground?
a stone is dropped from the top of a building. if it takes 3 seconds for the stone to drop to the ground, (a) calculate the height of the building, (b) with what speed will the stone hit the ground?
Jean KeelingLv2
31 Aug 2019