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| Velocity as function of time |
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| Velocity as function of Δx |
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| Draw a vector and its components |
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| Combing Ax and Ay to yield vector A is accomplished by what means? |
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| Force = mass x acceleration |
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Define Work from this picture: [image] |
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[image] Work= (Fcos(θ))Δx |
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| Weight= Mass x Acceleration Due to Gravity |
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| Find the maximum frictional force for a stationary object with mass m on a level surface. |
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| The force of kinetic friction, fk = |
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| Conservation of Energy is stated in this formula: |
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| The units of power are expressed in the ... |
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| Given momentum and time, find the net force which acts upon a system. |
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| Impulse, I, is given by... |
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Describe how momentum and kinetic energy are affected by the following collisions: (1) Elastic (2) Perfectly Inelastic (3) Inelastic |
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(1) Momentum and Kinetic Energy are conserved [image] (2) Momentum is conserved but kinetic energy is not and the two object stick together. [image] [image] (3) Same as a perfectly inelastic collision except the two objects don't stick together. |
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Given this diagram list the formulas needed to determine the final momentum for each object. Then consider how a diagram would look and where the formulas would be placed [image] |
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| Instantaneous thrust of a rocket= |
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Given this diagram find Θ [image] |
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| Angular Acceleration, [image], = |
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| Angular velocity as a function of time |
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| Angular displacement as a function of time |
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| Angular velocity as a function of displacement |
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| Tangential acceleration = |
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| Centripetal acceleration can equal... |
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| Total acceleration is given by |
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| The centripetal Force, Fc= |
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| PE of an object with significant distance from Earth= |
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| The formula for escape speed = |
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| The period, T, of an obriting planet is given by |
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Given this picture find [image] [image] |
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| The center of gravity, for x in this case is given by |
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| The moment of Inertia, I = |
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| The rotating kinetic energy of an object is |
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| The angular momentum, L, is found by |
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| If we know the change of L and t, we can find... |
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| Is the force per unit area that causes deformation |
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| Measure of deformation of an object |
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| Stress is calculated how? |
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| Stress= Elastic modulus x strain |
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| The measurement of elasticity of length is given by ... modulus and ... formula |
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| The measurement of elasticty of shape uses what modulus and is given by what formula? |
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| Measuring elasticity of volume this modulus is used in the formula. |
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| A large modulus for a given object means what for its resistance to change? |
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| A large modulus means the object resists change very well. |
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| The density, [image], of an object is given by |
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| Given a pressure at a certain depth, find a second pressure knowing only [image]g and h |
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| State Archimede's Principle |
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| Any object completely or partially submerged in a fluid is buoyed up by a force with magnitude equal to the weight of the fluid displaced by the object. |
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| For a completely submerged object, determine the upward buoyant force as well as the downward force due to gravity. Then determine whether it will sink or float. |
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Buoyant [image] Downward [image] Net Force [image] Result [image] [image] |
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For a floating object what formula should be used to find a buoyant force? How do the object and fluid relate |
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We know... [image] and [image] so, [image] |
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The equation of continuity states that... and is given by... |
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The mass that flows through the end of a pipe with Area1 in time Δt must equal the mass that flows through Area2 in the same interval. [image] However this assumes that the fluid is incompressible. |
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| Given a two openings on one pipe, the larger opening, O1, will allow for a [image] fluid speed compared to the smaller opening, O2. |
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| While the same volume and mass flows through both ends in a time interval, the larger opening will allow for a slower flow rate than the smaller opening. |
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| Bernoulli's equation states... |
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| ...that the sum of the pressure P, the kinetic energy per unit volume, [image], and the potential energy per unit volume, [image], has the same value at all points along a streamline. |
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| Expressed mathematically Bernouli's equation states... |
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[image] From this equation we can conclude that swiftly moving fluids exert less pressure than slower moving ones. |
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| The zeroth law of thermodynamics states |
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| If objects A and B are separately in thermal equilbrium with a third object C, then A and B are in thermal equilibrium with each other. |
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The conversion from Degrees Farenheit to Celsius Degrees is done by Celsius to Farenheit... Celsius to Kelvins... |
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| The thermal expansion of an object, ΔL, is given by... |
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| The change in area to due thermal expansion is given by... |
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[image] where [image] is called the coeffiecient of thermal expansion. |
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| The change in volume of an object due to thermal expansion is given by... |
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[image] where [image] is equal to 3[image] |
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| The number of moles, n, is given by... |
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| The Universal Gas Constant, R, is |
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| The Force on the container of an ideal gas |
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| The Pressure of an Ideal Gas |
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| The average kinetic energy per molecule |
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| The Internal Energy for a monatomic gas. |
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| Specific heat of a substance |
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| The Energy required to raise a system by ΔT |
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| The Energy, Q, needed to change the phase of a given pure substance |
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[image] Where L is the latent heat of the substance. |
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| The heat required to change water to steam is (greater, less than) the heat required to required to change water to ice. |
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| The Rate of Energy Transfer, P in a rod. |
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[image] Where k is the thermal conductivity. Substances with that insulate have low k values. |
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| The transfer of energy by the movement of a substance is |
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| The process of transferring energy without a medium is |
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| The rate at which an object radiates energy is proportional to the fourth power of its absolute temperature. The exact value is found by |
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[image] P is in watts, [image] is constant and = 5.669 x 10-8 .e varies from 0 to 1. |
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| The Work done on a gas at constant pressure is |
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| The Change in Internal Energy, ΔU= |
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| In an isobaric system,____ stays constant |
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| The Q of a gas at constant pressure |
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| In an adiabatic process, what stays constant. |
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| In an adiabatic process, ΔU= ? |
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| The adiabatic index of a gas |
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In an isovolumteric process, ΔU= ? and Q=? |
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| The Work done by a heat engine = |
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| The efficieny of an engine |
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The coefficient of performance for a fridge or A/C |
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| The coefficient of performance for a heater is |
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[image] Where Qr is the energy expelled or absorbed. |
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| The equation for acceleration of an object undergoing simple harmonic motion is |
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| Velocity as function of position |
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| Period of an object moving with simple harmonic motion. |
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| Frequency of an object-spring |
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[image] Given the equation find Amplitude, frequency, and period. Find velocity and accel max. |
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Amplitude [image] Frequency [image] [image] Period [image] Vmax [image] [image]
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| Draw a picture of a pendulum |
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| Speed of waves on strings |
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| Speed of sound in a fluid |
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| Speed of sound in a medium |
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| To find level of intensity (decibel) |
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| What is the decibel level of a machine with intensity 1.00 x 10-5? |
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| For a spherical wave, find the Intensity |
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| What is the formula for the doppler effect? |
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| The angle of the shock wave |
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| The condition of constructive interference occurs when |
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| Destructive interference occurs when |
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| The formula for finding the fundamental frequencies |
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| Compare the fundamental harmonics of a pipe open at two ends, and another open only at one. |
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Both Open: [image] One Closed: [image] |
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| Snell's law of refraction |
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| Define total internal reflection and give a formula for the critical angle |
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Occurs only when light attempts to move from a medium of higher index of refraction to a lower index of refraction [image] |
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| The lateral magnification, M |
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| Name two properties of a flat mirror |
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1. The image is far behind the mirror as the object is in front 2. The image is unmagnified, virtual and upright. 3. Left right reversal. |
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vs/v vs is speed of source |
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