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Questions (1)
The marks obtained by 10 children in a metal drill are 0,1,3,3,5,7,8,9,9,9,.What is the probability that a child chosen at
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Answers (3)
A1V1=A2V2 (10)(275)=(3.50)V2 2750=3 .50 V2 V2= 786 cm/s
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A boy shoves his stuffed toy zebra down a frictionless chute, starting at a height of 1.49 m above the bottom of the chute and with an initial speed of 1.55 m/s. The toy animal emerges horizontally from the bottom of the chute and continues sliding along a
