The reason why ancient astronomers thought that Earth could not be moving was because stars lacked any measurable parallax beyond one degree
a. True
b. False
Indicate whether the statement is true or false
False
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A student's height is 170 cm. Determine that student's height in inches
Air within the funnel of a large tornado may have a pressure of only 0.2 ATM. What is the approximate outward force on a (5 m × 10^ m) wall if a tornado suddenly envelops the house? (1 ATM = 1.01 × 10^5 N/m2.)
a. 4 × 10^3 N b. 4 × 10^4 N c. 4 × 10^5 N d. 4 × 10^6 N e. 7 × 10^5 N
In which case would you have the largest mass of gold? If your chunk of gold weighed 1 N on the
A) Moon. B) Earth. C) planet Jupiter.
The figure below shows the unusual path of a confused football player. After receiving a kickoff at his own goal, he runs downfield to within inches of a touchdown, then reverses direction and races back until he’s tackled at the exact location where he first caught the ball. During this run, which took 25 s, what is the path length he travels?