What is 34 + ( 3 ) × (1.2465 ) written with the correct number of significant figures?
A) 37.7
B) 37.74
C) 4 × 101
D) 38
E) 37.7395
D
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If the Sun suddenly stopped emitting neutrinos, what might we infer (after checking that our neutrino detectors were still operational)?
A) Fusion reactions in the Sun ceased a few hundred thousand years ago. B) Fission reactions in the Sun have ceased. C) Fusion reactions in the Sun have ceased. D) The Sun has exhausted its supply of neutrinos.
The velocity of a particle moving along the x axis is given for t> 0 by vx = (32.0t? 2.00t3) m/s, where t is in s. What is the acceleration of the particle when (after t = 0) it achieves its maximum displacement in the positive x direction?
A. ?64.0 m/s2 B. zero C. 128 m/s2 D. 32.0 m/s2 E. ?32.0 m/s2
A sea breeze on a coast is the result of
a. Rayleigh scattering. b. a convection cycle. c. the Coriolis force. d. friction or drag.
Ref. 210 suggests that natural gas should be used to produce motor fuels. Discuss the reasonableness of this proposal, given that this is feasible
What will be an ideal response?