I need help 4 points

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?

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?