If I weigh 741 N on Earth and 5320 N on the surface of a nearby planet, what is the acceleration due to gravity on that planet?
A) 70.4 m/s2
B) 51.4 m/s2
C) 61.2 m/s2
D) 81.0 m/s2
A
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In active galaxies, their central engines may be temporarily fed by:
A) a sudden surge of star formation. B) a series of supernovae around the core. C) the sudden collapse of the core into a supermassive black hole. D) a close encounter with a neighbor galaxy. E) the fusion of helium into carbon in their cores.
If a future orbiter mission confirmed the existence of a subsurface oceans beneath Europa's icy surface, the next mission would most likely be
A) another orbiter B) a lander C) a flyby D) a sample return mission
Cart A with momentum p (in magnitude) collides with cart B at rest and rebounds. What can you say about the momentum of cart B after the collision?
It is desired to conduct a diffraction experiment with neutrons of a wavelength of 0.1 nm. What is the kinetic energy of these neutrons in both joules and electron-volts?
What will be an ideal response?