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- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/10%3A_Forces/10.06%3A_Normal_Force_and_TensionThe arrows are approximately correct for when the elevator is accelerating upward—broken arrows represent forces too large to be drawn to scale. →T is the tension in the s...The arrows are approximately correct for when the elevator is accelerating upward—broken arrows represent forces too large to be drawn to scale. →T is the tension in the supporting cable, →w is the weight of the person, →ws is the weight of the scale, →we is the weight of the elevator, →Fs is the force of the scale o…
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/06%3A_Physical_and_Chemical_Reactions/6.05%3A_Writing_and_Balancing_Chemical_EquationsChemical equations are symbolic representations of chemical and physical changes. Formulas for the substances undergoing the change (reactants) and substances generated by the change (products) are se...Chemical equations are symbolic representations of chemical and physical changes. Formulas for the substances undergoing the change (reactants) and substances generated by the change (products) are separated by an arrow and preceded by integer coefficients indicating their relative numbers. Balanced equations are those whose coefficients result in equal numbers of atoms for each element in the reactants and products.
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/08%3A_Energy_Physics_and_Chemistry/8.03%3A_Thermochemical_Equations/8.3.04%3A_Geology-_Heat_Engine_at_Lost_CityIn the case of the "Lost City" of hydrothermal vents in the mid-Atlantic, serpentinization is a greater source of energy than the radioactivity of the Earth's core . Radioactivity normally accounts fo...In the case of the "Lost City" of hydrothermal vents in the mid-Atlantic, serpentinization is a greater source of energy than the radioactivity of the Earth's core . Radioactivity normally accounts for about 80% of the internal heat of the Earth [5] . But Thermochemical reactions like serpentinization, which produce or consume significant amounts of heat, are an inextricable part of all geological processes.
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/08%3A_Energy_Physics_and_Chemistry/8.03%3A_Thermochemical_EquationsThe mass of C 2 H 6 is easily converted to the amount of C 2 H 6 from which the heat energy q is easily calculated by means of Eq. (2). It is important to realize that the value of ΔH m given in therm...The mass of C 2 H 6 is easily converted to the amount of C 2 H 6 from which the heat energy q is easily calculated by means of Eq. (2). It is important to realize that the value of ΔH m given in thermochemical equations like ??? or ??? depends on the physical state of both the reactants and the products. The only way the problem can he avoided is for ΔH m of the reverse reaction to be equal in magnitude but opposite in sign from ΔH m of the forward reaction.
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/08%3A_Energy_Physics_and_Chemistry/8.03%3A_Thermochemical_Equations/8.3.01%3A_Biology-_Weight_of_Food_and_Energy_ProductionC 6 H 12 O 6 (s) + 6 O 2 (g) → 6 CO 2 (g) + 6 H 2 O(l) (25 o , 1 Atm) ΔH m = –2808 kJ (1) Here the sign of ΔH m (delta H subscript m) tells us whether heat energy is released or absorbed when the reac...C 6 H 12 O 6 (s) + 6 O 2 (g) → 6 CO 2 (g) + 6 H 2 O(l) (25 o , 1 Atm) ΔH m = –2808 kJ (1) Here the sign of ΔH m (delta H subscript m) tells us whether heat energy is released or absorbed when the reaction occurs and the value enables us to find the actual quantity of energy involved.
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/09%3A_Motion/9.03%3A_Motion_in_One-Dimension/9.3.08%3A_Acceleration_Due_to_GravityAt a given location on the Earth and in the absence of air resistance, all objects fall with the same uniform acceleration. In the absence of air resistance, is the cliff diver’s acceleration 9.81 m/s...At a given location on the Earth and in the absence of air resistance, all objects fall with the same uniform acceleration. In the absence of air resistance, is the cliff diver’s acceleration 9.81 m/s 2 in the simulation below? At any given location on the Earth and in the absence of air resistance, all objects fall with the same uniform acceleration. We call this acceleration the acceleration due to gravity on the Earth and we give it the symbol g.
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/11%3A_Electricity/11.03%3A_Static_Electricity/11.3.02%3A_Coulombs_LawThe questions regarding the relationship between the electrical force, the size of the charge, and the separation between the charges were solved by Charles Coulomb in 1785. Object A has a positive ch...The questions regarding the relationship between the electrical force, the size of the charge, and the separation between the charges were solved by Charles Coulomb in 1785. Object A has a positive charge of 6.0×10−6C. Object B has a positive charge of 3.0×10−6C. If the distance between A and B is 0.030 m, what is the force on A?
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/11%3A_Electricity/11.03%3A_Static_Electricity/11.3.05%3A_Electric_Field-_Concept_of_a_Field_RevisitedBoth charges are the same distance from Q. (a) Since q1 is positive, the force F1 acting on it is repulsive. (b) The charge q2 is negative and greater in magnitude than \(q_{1...Both charges are the same distance from Q. (a) Since q1 is positive, the force F1 acting on it is repulsive. (b) The charge q2 is negative and greater in magnitude than q1, and so the force F2 acting on it is attractive and stronger than F1.
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/13%3A_Transverse_and_Longitudinal_Waves/13.02%3A_Simple_Harmonic_Motion_and_Oscillations/13.2.02%3A_Characteristics_of_OscillationsCharacterizing oscillations and their relationship to periodicity. Examining the mathematical description of oscillations.
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/10%3A_Forces/10.07%3A_Gravitational_Force_and_Inclined_PlanesSince the normal force and the force of the box acting on the plane are the same, we can reference the force against the plane as the normal force. When an object is placed on an inclined plane, its w...Since the normal force and the force of the box acting on the plane are the same, we can reference the force against the plane as the normal force. When an object is placed on an inclined plane, its weight vector can be resolved into the normal force, which is equal to the force of the object perpendicular to the plane, and a parallel force, which pushes the object down the inclined plane.
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/02%3A_Units_Measurement_Graphing_and_Calculation/2.02%3A_Math_Review/2.2.05%3A_FormulasA formula is an equation or set of calculations that takes a number (or numbers) as input, and produces an output. The output is often a number, but it could also be a decision such as yes or no. The ...A formula is an equation or set of calculations that takes a number (or numbers) as input, and produces an output. The output is often a number, but it could also be a decision such as yes or no. The numbers in a formula are usually represented with letters of the alphabet, which are called variables because their values can vary. To evaluate a formula, we substitute a number (or numbers) into the formula and then perform the steps using the order of operations.
