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10 Quick Tips to Maximize your Regents Physics Scores!

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FizziksGuy

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Although by no means an exhaustive list, these 10 quick tips may help you secure that extra point or two on your upcoming Regents Physics exam.

  1. Mass and inertia are the same thing.
  2. To find the resultant, line your vectors up tip-to-tail, and draw a line from the starting point of the first vector to the ending point of the last vector.
  3. Any object moving in a circular path is accelerating toward the center of the circle.
  4. Acceleration of an object is equal to the net force on the object divided by the object’s mass.
  5. The normal force always points at an angle of 90° from the surface.
  6. Opposite charges and magnetic poles attract, likes repel.
  7. Gravitational forces and electrostatic forces both follow an inverse square law relationship, where the strength of the force is related to one divided by the square of the distance between the charges/masses.
  8. The force of gravity on an object, commonly referred to as weight, is equal to mg, where g is the gravitational field strength (also referred to as the acceleration due to gravity).
  9. The mass-energy equivalence can be calculated using E=mc^2. If a mass is given in universal mass units, however, you can do a straight unit conversion using 1u = 931 MeV.
  10. Protons and neutrons fall into the category of baryons, which are hadrons. Smaller particles, such as electrons, fall into the category of leptons. Mesons are rare, weird particles you probably haven’t heard of.

Most importantly, use your reference table. When in doubt, write down the information you're asked to find, what you're given, and use your reference table to help you narrow down what you should be doing. In the free response part of the test, make sure to show your work in detail with a formula, substitution with units, and an answer with units.

Find these and many more tips for success at APlusPhysics.com.

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