college physics Definition and Topics - 7 Discussions

The Chinese Physical Society (CPS) a professional society of physicists established in 1932. It is part of the China Association for Science and Technology. Current membership is at around 40,000. CPS has been a member of the International Union of Pure and Applied Physics (IUPAP) since 1984 and of the Association of Asia Pacific Physical Societies (AAPPS) since 1990.

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  1. TutaTeacherAllan

    Calculating the center of mass

    Figure 4 shows three point masses glued to the vertices of a massless triangle of side L=2.0 m. Two of the massess are m=0.75kg and the other mass is twice that value, as shown in the figure. The device is allowed to rotate about point A in a verticle plane about the centre of the larger mass...
  2. PhanicKnight

    [College Physics] Electric field and point charge

    Homework Statement Around a point charge there are three points: A, B and C. Determine the electric field vector for those points. Also, determine the force vector for q0 if it was in point B. Q = 10 µC, a = 1 m, b = sqrt(3) m, q0 = 10 pC 2. The attempt at a solution Here is the attempt at a...
  3. P

    Schools Should I read University Physics by Freeman & Young right no

    I just graduated from high school and will begin university physics classes in 2 months. Even though I got decent grades, I feel as though there are still some gaps in my knowledge. I have Calculus by Stewart and University physics. Which one should I start reading and hope to complete in 2...
  4. B

    College physics problem -- Find gravitational acceleration

    Homework Statement Here's the question: As space colonization expands, it's important to build new stations from local materials instead of bringing everything from Earth. Your latest task (besides asking for a raise) is to check the long-term stability of a proposed configuration of asteroids...
  5. L

    Significant Figures Question

    Homework Statement Solve for g in your area with the correct number of significant figures. Theta = latitude = 50.7 degrees h = height = 518. m Homework Equations g = 9.80616 - 0.025928 cos2(theta) + .00068 cos^2(2*theta) - 0.000003h The Attempt at a Solution Well, I just plugged in the data...
  6. M

    Tensile/Bearing stress in a cantilever member.

    Two steel straps are use to hold member BCD level. The size of each strap is 12 mm thick and 50 mm wide. A 16 mm diameter bolt is used to connect thesteel straps to the 89 x 89 mm post at A. A 25 kN is applied at the free end of the cantilever at point D. Determine: the tensile stress developed...
  7. Yohanesnuwara

    #1 An Advanced but Simple Motion-in-1D Problem (1)

    I get these physics problems from Engineering Physics Course at my recent university, Bandung Institute of Technology, Indonesia. The questions are really simple but needs an advance and deep analysis to answer them. The system of answering the science problems here in my university is quite...
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