If the universe has a density greater than ?o = 1, it is considered high density
Indicate whether the statement is true or false
TRUE
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Two in-phase loudspeakers are some distance apart. They emit sound with a frequency of 1536 Hz. You move between the speakers, along the line joining them, at a constant speed of 2.8 m/s
What beat frequency do you observe? The speed of sound in the room is 330 m/s. A) 13 Hz B) 431 Hz C) 26 Hz D) 4.7 Hz E) 118 Hz
Which of these age ranges best describes the lunar maria?
A) 2.5 - 1.0 billion years B) 100 - 65 million years C) 8.6 - 6.0 billion years D) 3.9 - 3.2 billion years E) a few million years to present lava flows seen erupting
A 0.28-kg block on a horizontal frictionless surface is attached to an ideal massless spring whose spring constant is 500 N/m. The block is pulled from its equilibrium position at x = 0.00 m to a displacement x = +0.080 m and is released from rest
The block then executes simple harmonic motion along the horizontal x-axis. When the displacement is x = -0.052 m, find the acceleration of the block. A) 92 m/s2 B) 46 m/s2 C) 69 m/s2 D) 230 m/s2 E) 280 m/s2
A 29.0 pm wavelength photon is scattered by a stationary electron. The maximum energy loss of the photon is closest to:
A) 4 KeV B) 6 KeV C) 10 KeV D) 12 KeV E) 15 KeV