Neoh
This page lists questions and answers that were posted by visitors named Neoh.
Questions
The following questions were asked by visitors named Neoh.
Answers
The following answers were posted by visitors named Neoh.
a)Let final speed of A be v1, and final speed of B be v2.Using conservation of momentum, consider the horizontal: 40m = v1*cos30 + v2*cos45 and the vertical 0 = v1*sin30 + v2*sin45 In second equation, express v1 in terms of v2, then substitute into the fi...
15 years ago
Google the refractive index of sodium chloride. Let the value be n. Then solve with the simple n = sin i/sin r The given frequency of speed of light in air is not useful.
15 years ago