Identify the statements below as belonging to one of these laws: law of conservation of matter, law of conversation of energy, or law of definite proportions.
Energy can be neither created nor destroyed by chemical means but can be changed from one form to another.
The composition of a chemical compound never varies.
Matter can be neither created nor destroyed by chemical means but can be changed from one form to another.
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State the right hand rule of the direction of magnetic field in a conductor carrying current
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Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward
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What do you think car designers do if the damage caused by a crash test is too severe?
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Identify the statements below as belonging to one of these laws: law of conservation of matter, law...
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