One of the requirements of the Scientific Method is that an experiment must be ________

Fill in the blank(s) with correct word

repeatable

Physics & Space Science

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Describe the seasons of Jupiter

What will be an ideal response?

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A system of blocks and a frictionless pulley is shown in the figure. Block A has a mass of 2.0 kg and is on a rough horizontal surface for which ?s = 0.40 between the surface and block A

The rope pulls horizontally on block A. Block C has a mass of 1.0 kg. An external force P = 23.0 N, applied vertically to block A, maintains the system at rest as shown in the figure. What is the friction force on block A? A) 6.3 N B) 6.9 N C) 7.5 N D) 5.7 N E) 5.1 N

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How might you separate a mixture of sand and salt?

A) with tweezers and a magnifying glass B) just add water C) heat the mixture until one of the components melts D) Two of the above answers are reasonable.

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Stern and Gerlach performed an experiment that showed the space quantization of silver atoms in an inhomogeneous magnetic field. Their experiment demonstrated that

a. space quantization is a property that only exists for energy levels, governed by quantum number n. b.the number of ml states was even, not governed by the factor (2l + 1) as thought previously. c. the differences in magnetic moment of the atom demonstrated space quantization in external magnetic fields. d.the classically defined Bohr magneton was inaccurate because it did not take into account the space quantization of external magnetic fields within the atom. e.an additional angular momentum factor within the atom was causing the observed space quantization.

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Physics & Space Science