When alpha particles are sent through a thin metal foil, most of them go straight through the foil because * Alpha- particles are much smaller than electrons
Alpha-particles are positively charged
Most part of the atom is empty space
Alpha-particles move with low velocity

The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

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