Sunday

December 21, 2014

December 21, 2014

Posted by **jojo** on Monday, April 30, 2007 at 9:30am.

choose the 2 correct statements about the motion of the machine:

a) the maximum distance that the machine head moves horizontally from its central starting position is 80cm

b) the maximum distance that the machine head moves horizontally from its central starting position is 40 cm

c) the machine head will make 50 complete cycles in a minute

d) the machine head will make 30 complete cycles in a minute

e) the machine head will make one complete cycle in half a minute

f) the machine head will make one complete cycle in 2 minutes.

I'm assuming its A and E. Anybody have a better idea if I'm wrong?

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