how does the speed of light that emerges from a pane of glass compare with the speed of light incident on the glass?

Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is μs = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader

Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road