course Horne Home Work 7- Microsoft Edge ysics.com/myct/itemView?assignmentProbl

Question

course Horne Home Work 7- Microsoft Edge ysics.com/myct/itemView?assignmentProblemiD-811778218offsetenext Homework Problem 7.11 previous| 11 of 13 next Problem 7.11 Part A A 22-g bullet traveling 260 m/s penetrates a 20 kg block of wood and emerges going 120 m/s If the block is stationary on a frictionless surface when ht, how fast does it move after the bullet emerges? Express your answer to two significant figures and include the appropriate units. Value Units lle Submit My Answers Give Up O Type here to search

Explanation / Answer

Momentum before = 22/1000 x 260

Momentum after = 2v + 22/1000 x 120

Therefore

2v + 22/1000 x 120 = 22/1000 x 260

2v + 2.64 = 5.72

2v = 3.08

v = 1.54 m/s

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.