2 Answered Questions for the topic grade12

11/25/20

The blades of a windmill are 20 m in length and rotate at a speed of 4 rpm on a typical day.

a) Determine the exact angular velocity of the blades in radians per second.b) What distance does the tip of a blade travel in 2.5 minutes, to the nearest metre?

10/20/20

Help me please The length, width and height of a small box are three consecutive integers, where the width

The length, width and height of a small box are three consecutive integers, where the width isthe least and the length is the greatest integer. If the width is doubled, and the length andheight are... more

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