Recent content by Curiosity_0

  1. Curiosity_0

    B Time for which a vertical projectile stays motionless in midair

    We know that if a projectile is thrown vertically, there will be a brief time when it momentarily stops. Can we calculate this brief moment?
  2. Curiosity_0

    Determine equivalent Young's Modulus

    😅 I wanted to write y3=(y1+y2)/2
  3. Curiosity_0

    B Color of a mirror on the Earth

    I think black from the space will make bluish tint very hard to see
  4. Curiosity_0

    I Finding the center of area (centroid) of a right triangle

    You could use the simpler pappus' theorem which goes like this : when you rotate a 2d shape to generate a solid figure, distance travelled by centroid multiplied by area of the 2d shape is equal to volume of 3d shape generated, in case of triangle : Let us say centroid is x distance in x-axis...
  5. Curiosity_0

    B Correct SHM Equation: Does € Matter?

    A textbook I am using gives the basic eqn of motion of shm as follows : X = Asin(wt + €) V =Awcos(wt+€) But other textbooks and online sources are interchanging sin and cos in above equations, so which is the correct one? Or does it depend on the phase constant €?
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