The 2013 women's pole vault world record of 4.89 m belongs to Yelena Isinbayeva of Russia. If the pole vault mat has the dimensions of 6.0 m × 8.0 m × 0.8 m, what is the vertical speed of the vaulter right before she strikes the mat?
What will be an ideal response?
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Which type of boxes are typically used for wall-mounted lighting fixtures?
a. Aluminum boxes with threaded hubs b. NM device boxes c. Handy boxes d. Octagon and round boxes
Bricks may carry a grade of SW, MW, or NW. Which factors determine the grade?
What will be an ideal response?
A diac is a two-terminal,
A) two-layer device with forward but not reverse operating characteristics B) three layer device with forward but not reverse operating characteristics C) three-layer device with both forward and reverse operating characteristics D) two-layer device with both forward and reverse operating characteristics
Match each option of the test command with a statement below.
A. logical AND B. logical negation C. true if a file exists and can be read D. true if a file exists and is a regular file E. performs a relational integer test F. tests for a nonzero string length G. compares the first file in the argument with the second file to determine if the first file is newer H. true if a file exists and its size is greater than zero I. true if a file exists