A 2.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. The velocity is given by the expression v(t) = 10.0 cm/s sin
What is the maximum acceleration of the simple harmonic motion?
A. 17.5
B. 21.2
C. 25.2
D. 30.5
E. 36.7
B. 21.2
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An astronaut lands on a previously unknown planet of radius 2350. km and she measures the acceleration of gravity to be 3.20 m/s2
(a) What is the mass of this new planet? (b) What does the astronaut weigh on this new planet if she weighs 384. N on Earth?
Graphical Addition: If +
=
and their magnitudes are given by A + B = C, then the vectors
and
are oriented
A. perpendicular relative to one other. B. parallel to each other (in the same direction). C. antiparallel to each other (in opposite directions). D. It is impossible to know from the given information.
What is the acceleration of a scooter that maintains a constant velocity of 15 m/s for 10 s?
A) 0 m/s2 B) 0.15 m/s2 C) 1.5 m/s2 D) 15 m/s2
Which low-mass star does not have fusion occurring in its central core?
A) a main-sequence star B) a red giant C) a helium-burning star