The center of our galaxy shows signs of past eruptions
Indicate whether the statement is true or false
T
You might also like to view...
The force that binds atoms together to form molecules is
A) gravitational. B) nuclear. C) electrical. D) centripetal. E) none of the above
By how many decibels does the intensity level of a sound decrease when you triple your distance from a source of sound?
A) 12 dB B) 6.0 dB C) 4.8 dB D) 3.0 dB E) 9.5 dB
A child takes a small plastic bucket full of water and swings the bucket over her head in a circular arc, just barely fast enough for the water to stay in the bucket. Unbeknownst to the child, a fish is in the middle of the water. At the top of the arc, the fish
A. has a downward acceleration B. feels "weightless" C. has zero net force acting on it D. a and b
Select the incorrect statement for an inviscid flow.
(A) The drag on a body in an inviscid flow is zero (B) The lift on a streamlined body can be approximated by neglecting viscous effects (C) The velocity distribution in the wake of a body can be approximated by neglecting viscous effects (D) The normal velocity component at the boundary of a body in an inviscid flow is zero