Thanks to the far-flung Voyager and Pioneers, knowledge of our presence has now spread out over 30 light-years
Indicate whether the statement is true or false
FALSE
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The composition of a planet's atmosphere be measured during a transit by analyzing
A) the excess absorption of starlight at specific wavelengths. B) the excess emission of starlight at specific wavelengths. C) the length and depth of the dip in light during the transit. D) the amplitude and period of the star's motion. E) the wobble in a star's position on the sky.
The angular acceleration of a wheel is given in rad/s2 by 45t3 – 11t4, where t is in seconds. If the wheel starts from rest at t = 0.00 s, when is the next time the wheel is at rest?
A) 5.1 s B) 8.4 s C) 6.9 s D) 3.6 s
In radioactive decay, when the parent material decays to one-quarter of its original amount, the time is
A) one half-life. B) two half-lives. C) three half-lives. D) four half-lives.
What is steady state?
What will be an ideal response?