The law of reflection states that the angle of reflection a. is half the angle of incidence b. is equal to the angle of incidence c. is twice the angle of incidence d. is four times the angle of incidence

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Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm