Mathematics, 06.05.2020 08:58 Sumududesilva2000
A glass timer is made of two cones placed tip to tip on top of each other. The sand in the timer funnels down at a rate of 45mm. As the sand begins to fall, the depth of the sand is 3cm and the diameter of the top of the cone is 1.6cm. How much time does the timer measure.
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A glass timer is made of two cones placed tip to tip on top of each other. The sand in the timer fun...
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