Observations of Type Ia supernova indicate that the universe is static
a. True
b. False
Indicate whether the statement is true or false
False
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Graphical Analysis: The area under a curve in a velocity versus time graph gives
A. acceleration. B. velocity. C. displacement. D. position.
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
Two satellites are monitored as they orbit the Earth; satellite X is four times as far from the Earth's center as is satellite Y. From Kepler's third law one may conclude that the period of revolution of X is what factor times that of Y?
a. 1/2 c. 8.0 b. 2.0 d. 22.6
An automobile moving along a straight track changes its velocity from 40 m/s to 80 m/s in a distance of 200 m. What is the (constant) acceleration of the vehicle during this time?
a. 8.0 m/s b. 9.6 m/s c. 12 m/s d. 6.9 m/s e. 0.20 m/s