The velocity of an object as a function of time is given by v(t) = 2.00 m/s + (3.00 m/s) t - (1.0 m/s2 ) t2
Determine the instantaneous acceleration of the object at time t = 5.00 s.
A) -8.00 m/s2
B) -7.00 m/s2
C) 2.00 m/s2
D) 0.00 m/s2
E) -2.00 m/s2
B
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A planet's density can be measured by combining
A) Doppler and astrometric observations. B) Doppler and transit observations. C) spectral observations of the planet's atmosphere. D) any method that measures the gravitational tug of the planet on the star. E) direct imaging from the new generation of space telescopes.
The laws of physics demand that a neutron star has a maximum mass of ____ solar mass(es)
a. 1 b. 1.4 c. 3 d. 8 e. 20
What is the orbital angular momentum quantum number for a d subshell?
A. 10 B. 7 C. 4 D. 3 E. 2
A megaparsec (Mpc) is equal to _____
A) 3.3 thousand ly B) 3.3 million ly C) 3.3 billion ly D) 3.3 trillion ly