Jupiter's magnetic field is produced in its rapidly spinning mantle of ________
Fill in the blank(s) with correct word
liquid metallic hydrogen
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Do you think it is possible that a flare star could harbor an advanced civilization? Explain your reasoning
What will be an ideal response?
Ernest Rutherford
A) observed back-scattering from nuclei. B) discovered radium and polonium. C) proposed the tiny central nucleus idea. D) invented the particle detector tube. E) proposed the plum-pudding model.
Is it possible for the driver of a car to accelerate the car without pressing on the accelerator?
A) Yes, by pressing on the brake. B) Yes, by both of the above methods. C) Yes, by turning the steering wheel. D) No, because the only way to speed up is to press on the accelerator. E) No, because of the way that we define the word "acceleration" in physics.
A farsighted person cannot see clearly closer than 2.0 m. What power contact lenses would correct this near point to 25 cm?
A. 2.0 D B. 0.5 D C. -0.5 D D. 3.5 D E. -3.5 D