A heavy ball hangs by a string, with a second string attached to its bottom (Figure 1.7 in your text). A quick pull on the bottom string breaks the

A) top string.
B) bottom string.
C) top or bottom string equally likely.
D) none of the above


Answer: B

Physics & Space Science

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Multiple-Object Accelerating Systems: A 5.0-kg block and a 4.0-kg block are connected by a 0.6 kg rod, as shown in the figure. The links between the blocks and the rod are denoted by A and B. A vertical upward force of magnitude F of magnitude 150 N is applied to the upper block. What magnitude force does each of the links A and B exert?

What will be an ideal response?

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A young blue star moving along a circular orbit in the disk is a

A. Pop I star. B. Pop II star. C. Pop III star. D. Pop V star.

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A student walks 1.0 mi west and then 1.0 mile north, after ward how far is she from her starting point?

A 1.0 mi B 1.4 mi C 1.6 mi D 2.0 Mi

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A ball is released moving straight up at 15. m/s. At some time later it is falling downward at 15. m/s. What was the magnitude of its average velocity over this time period?

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