How many seconds are in one year? (Calculate this, do not look it up.)
A) about 86 thousand (86,000, or 8.6 × 105 ) B) about 380 million (380,000,000, or 3.8 × 108 )
C) about 30 million (30,000,000, or 3 × 107 ) D) about 3,600 (3.6 × 103 )
C
Physics & Space Science
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A 70.0-kg man jumps 1.00 m down onto a concrete walkway. His downward motion stops in 0.04 seconds. If he forgets to bend his knees, what force is transmitted to his leg bones?
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Characteristic K X-rays are the result of:
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What will be an ideal response?
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