Earth's rotation axis ____________________ slowly so that in a few thousand years Polaris will no longer be the North Star
Fill in the blank(s) with correct word
precesses
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Which is the correct order for the following steps used in the scientific method? I. Conclude II. Analyze III. Gather evidence IV. Test V. Hypothesize VI. Establish laws
a. VI, V, III, II, IV, I b. III, IV, II, V, VI, I c. V, III, IV, II, I, VI d. III, V, IV, II, I, VI
A particle confined to motion along the x axis moves with constant acceleration from x = 2.0 m to x = 8.0 m during a 2.5-s time interval. The velocity of the particle at x = 8.0 m is 2.8 m/s. What is the acceleration during this time interval?
a. 0.48 m/s2 b. 0.32 m/s2 c. 0.64 m/s2 d. 0.80 m/s2 e. 0.57 m/s2
Cooling water is not needed for the pressurized water reactor
What will be an ideal response?
What holds the nucleus together?
a. electrical forces between the protons b. alpha particles c. beta particles d. strong forces