A flight distance from philadelphia to cancun is 1469 miles. the estimated flight time is 3.25 hours. What is the avarage speeede of the plane in miles per hour(number and units)?

Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.

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?

State the following: boyle's law and charle's law