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Physics
Physics tutoring and homework help. Learn concepts like motion, forces, waves, heat and thermodynamics from a highly qualified Physics tutor and get an edge in the subject.
Let's start with problems involving constant speed and average speed
Motion & Forces
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Universal Law of Gravitation
Effect of gravity on an object at the surface of the Earth
Applying a force to an object perpendicular to the direction of its motion
Circular motion
Two-dimensional trajectory problems
Two-dimensional vectors into their components and calculate the magnitude and direction of a vector from its components
Two-dimensional problems involving balanced forces
Problems in circular motion, using the formula for centripetal acceleration in the following form: a=v2/r
Problems involving the forces between two electric charges at a distance (Coulomb's Law)
Problems involving the forces between two masses at a distance (Universal gravitation)
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Conservation of Energy and Momentum
Calculating Kinetic energy using the formula E=(1/2)mv2
Calculating changes in gravitational potential energy near the Earth
Problems involving conservation of energy in simple systems
Calculating momentum as the product mv
Momentum as a separately conserved quantity, different from energy
Change in the momentum of a body
Problems involving elastic and inelastic collisions in one dimension
Problems involving conservation of energy in simple systems
Heat & Thermodynamics
Heat flow and Work - Forms of energy transfer
First Law of Thermodynamics
Law of conservation of energy
Thermal energy
Distribution of energy levels in a system
Entropy of a system
Second Law of Thermodynamics
Problems involving heat flow, work, and efficiency in a heat engine
Waves
Waves carry energy from one place to another
Transverse and longitudinal waves, Seismic waves
Problems involving wavelength, frequency and wave speed
Sound waves in a medium
Radio waves, light and X-rays, electromagnetic waves
Characteristic properties of waves: interference (beats), diffraction, refraction, Doppler effect, and polarization
Electric & Magnetic Phenomena
Voltage or current in simple direct current electric circuits
Problems involving Ohm's law
Formula for power (rate of energy dissipation) in any resistive circuit element
Properties of transistors and their role in electric circuits
Electric fields
Magnetic fields
Direction of a magnetic field produced by a current flowing in a straight wire or in a coil
Magnetic fields producing electric fields, thereby inducing currents in nearby conductors
Plasmas - the fourth state of matter
Vector force fields
Force on a charged particle in an electric field (qE)
Calculate the electric field resulting from a point charge
Static electric fields
Force on a moving particle (with charge q) in a magnetic field [qvB sin(a)]
Problems involving conservation of energy.
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