동역학 11판 솔루션 (Engineering Mechanics Dynamics 11th Edition , R.C hibbeler , 공업역학 동역학) (구매자 판매중지)

Table of Contents
Chapter 12 Chapter 13 Chapter 14 Chapter 15 Chapter 16 Chapter 17 Chapter 18 Chapter 19 Chapter 20 Chapter 21 Chapter 22 1 145 242 302 396 504 591 632 666 714 786

Engineering Mechanics - Dynamics

Chapter 12

Problem 12-1 A truck traveling along a straight road at speed v1, increases its speed to v2 in time t. If its acceleration is constant, determine the distance traveled. Given: v1 〓 20 Solution: a 〓 v2 ? v1 t 1 2 at 2 a 〓 1.852 m s
2

km hr

v2 〓 120

km hr

t 〓 15 s

d 〓 v1 t +

d 〓 291.67 m

Problem 12-2 A car starts from rest and reaches a speed v after traveling a distance d along a straight road. Determine its constant acceleration and the time of travel. Given: Solution: v 〓 2a d
2

v 〓 80

ft s
2

d 〓 500 ft

v a 〓 2d t 〓 v a

a 〓 6.4

ft s
2

v 〓 at

t 〓 12.5 s

Problem 12-3 A baseball is thrown downward from a tower of height h with an initial speed v0. Determine the speed at which it hits the gro…