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  1. D

    What is the orbital period of an Earth satellite......

    Orbital period of the Moon around Earth 2.36 × 106 s Mean orbital radius of the Moon 3.83 × 108 m Mass of Earth 6.0 × 1024 kg Mass of the Moon 7.35 × 1022 kg Use the data below to answer Questions 12 and 13. 12 What is the centripetal force experienced by the Moon due to Earth’s...
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    Notes on Caesar. Military achievements. please. thanks :)

    If you guys have any notes on the military achievements of Julius Caesar please post them here. Thank you so much. :)
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    Assess the Impact of water quality tests on society and environment?

    Hey guys do you have any notes on that relate to this question. If you do could u post them here please thanks. :)
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    Inverse functions question. HELP URGENT PLZ

    Yea that's what i meant. Thank you.
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    Inverse functions question. HELP URGENT PLZ

    h(x)=x^3-3x, -1 < x <1. Find inverse differentiation. x=0. Could you find me the inverse function please so i can differentiate it.
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    Simple question that i need help with

    So my answer is right?
  7. D

    Simple question that i need help with

    y^3=x^2 I can't seem to get it is x=y^3/2?
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    Will i be able to get over 85 for chemistry?

    My school is ranked 189th, Patrician brothers college Fairfield. rank in class has not been disclosed to us yet.
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    Will i be able to get over 85 for chemistry?

    Current Standing: 77 % I am aiming for over 85%, and currently i have an assignment and trials left to do. Will i be able to achieve my goal.
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    Inverse function question. Problem with point of intersection.

    Yea, sorry, the domain was -π≤x≤π and thanks.
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    Inverse function question. Problem with point of intersection.

    Hello, im having trouble with sketching the inverse function of f(x)= tan(x/2), -π≤x≤π . I have the domain, range, period, and phase. I have drawn the mirror y=x, but i can't find the point of intersection. in which i equate y=x, and y=tan(x/2) to find where the mirror line and the forward...
  12. D

    What is Back emf, and supply emf.

    Thank you sooo much
  13. D

    What is Back emf, and supply emf.

    What is Back emf, and supply emf. I have trouble understanding
  14. D

    What is Back emf, and supply emf.

    What is Back emf, and supply emf? I have trouble understanding it.
  15. D

    trig question

    hey i was wondering why 45 isn't negative and isn't cos 45 1/sqrt(2)
  16. D

    trig question

    i) Express cosx-sinx in the form Rcos(x+alpha) ii) Hence solve cosx-sinx=1 for 0≤x≤360 Thank you guys. can't seem to get it.
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    Tangent to curve question

    ty bro. ILY
  18. D

    Tangent to curve question

    for what values of b is the line y=3x+b, a tangent to y=x^3
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