midterm2sol_08 - In this version the first answer is the...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
77777 77777 Instructor: Ihas/Biswas PHYSICS DEPARTMENT PHY 2053 Exam 2, 120 minutes November 14, 2008 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized aid on this examination. DIRECTIONS (1) Code your test number (THE 5-DIGIT NUMBER AT THE TOP OF EACH PAGE) on your answer sheet using lines 76–80. Write your test number down and take it with you. Code your name on your answer sheet. Code your UFID number on your answer sheet. (2) Print your name on this sheet and sign it also. (3) You may do scratch work anywhere on this exam. Circle your answers on the test form. At the end of the test, this exam printout is to be turned in. No credit will be given without both answer sheet and printout. (4) Fill in the circles of your intended answers completely on the answer sheet, using a #2 pencil or blue or black ink . Do not make any stray marks or some answers may be counted as incorrect. (5) The answers are rounded off. Choose the closest to exact. There is no penalty for guessing. (6) Hand in the answer sheet separately, showing your UFID. Useful information: g = 9 . 80 m/s 2 Neglect air resistance. All ropes and strings are massless. 1. A 0.010 kg bullet traveling horizontally at 400.0 m/s strikes a 4.0 kg block of wood sitting at the edge of a table. The bullet is lodged into the wood. If the table height is 1.2 m, how far from the table does the block hit the floor? Ignore friction between the block and table. (1) 0.49 m (2) 0.70 m (3) 0.86 m (4) 2.4 m (5) 4.0 m 2. A 0.010 kg bullet traveling horizontally at 400.0 m/s strikes a 4.0 kg block of wood sitting at the edge of a table. The bullet is lodged into the wood. If the table height is 2.4 m, how far from the table does the block hit the floor? Ignore friction between the block and table. (1) 0.70 m (2) 0.49 m (3) 0.86 m (4) 2.4 m (5) 4.0 m 3. A 0.010 kg bullet traveling horizontally at 400.0 m/s strikes a 4.0 kg block of wood sitting at the edge of a table. The bullet is lodged into the wood. If the table height is 3.6 m, how far from the table does the block hit the floor? Ignore friction between the block and table. (1) 0.86 m (2) 0.49 m (3) 0.70 m (4) 2.4 m (5) 4.0 m 4. A rifle with a weight of 25.0 N fires a 3.00 g bullet with a speed of 240 m/s. What is the recoil speed of the rifle? (1) 0.282 m/s (2) 0.474 m/s (3) 0.647 m/s (4) 0.840 m/s (5) 0.960 m/s 5. A rifle with a weight of 30.0 N fires a 5.00 g bullet with a speed of 290 m/s. What is the recoil speed of the rifle? (1) 0.474 m/s (2) 0.282 m/s (3) 0.647 m/s (4) 0.840 m/s (5) 0.960 m/s 6. A rifle with a weight of 25.0 N fires a 5.50 g bullet with a speed of 300 m/s. What is the recoil speed of the rifle. (1) 0.647 m/s
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 13

midterm2sol_08 - In this version the first answer is the...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online