Physics Practice Test: Part A
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Questions and Answers

What is the formula for the limit of the earth's gravitational field?

  • $v' = v_e$
  • $v' = 7v_e$
  • $v' = 2v_e$ (correct)
  • $a = 1$

    • What is the value of $α$ in the equation $α = 3 × 10^{-3} / ° C 40 Ω$?

  • $300°C$
  • $3025°C$
  • $3000°C$
  • $325°C$ (correct)

    • In the equation $λ_3 = \frac{λ_1 + λ_2}{λ_1 + λ_2}$, what is the value of $λ_3$?

  • $λ_3 = λ_1 + λ_2$ (correct)
  • $λ_1 + λ_2 + λ_3 = 0$
  • $λ_3 = $
  • $λ_{23} = λ_{21} + λ_{22}$

    • What is the relationship between the charges $nR$ and $nB$ in the equation $nR < nB$?

    <p>$nR &lt; nB$</p> Signup and view all the answers

    What is the formula for the period ($T$) of an object in circular motion?

    <p>$T = \frac{1}{2πr}m2kλq$</p> Signup and view all the answers

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