The answer for A is 8.0 * 10^3Need the answer for Part B

Part A A rifle with a barrel length of 60 cm fires a 15 g bullet with a horizontal speed of 400 m/ s. The bullet strikes a block of wood and penetrates to a depth of 15 cm. What resistive force (assumed to be constant) does the wood exert on the bullet? You may need to review (Page) . Express your answer with the appropriate units. For general problem-solving tips and strategies for this topic, you may fk = 8.0x103 N want to view a Video Tutor Solution of Ready for takeoff. Submit Previous Answers All attempts used; correct answer displayed Part B How long does it take the bullet to come to rest after entering the wood? Express your answer with the appropriate units. d t = 0.05 S Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining