2. Which of the following is a reasonable estimate of the number ofcharacters (typed letter or numbers) in a 893 page book?Assume anaverage of 190 words/page and a reasonable average numberofletters/word.
A) 7 x 105 char
B) 7 x 107 char
C) 7 x 106 char
D) 7 x 104 char
6. A projectile is thrown upward at 24.00 withthevertical and returns to the horizontal ground 12.5 a later withnoair drag
A) How fast was it thrown?
B) How far from its original position did it land?
C)How high above its original position did it go?
7. A box of mass 47kg is at rest on a horizontalfrictionlesssurface. A constant horizontal force F then acts on thebox,and accelerates it to the right. It is observed that it takesthebox 2.4 seconds to travel 68 meters. What is the magnitude oftheforce?