{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

img020 - 77777 77777 Instructor Ihas/Biswas PHYSICS...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: / 77777 77777 Instructor: Ihas/Biswas PHYSICS DEPARTMENT PHY 2053 Exam 1, 120 minutes October 8, 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. E5) 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. M Useful information: 9 = 9.80 m/s2 Neglect air resistance. All ropes, strings, and pulleys are massless. 1. A daredevil decides to jump a canyon. The walls of the canyon are equally high and 10.0 m apart. He takes off by driving a motorcycle up a short ramp sloped at an angle of 22°. What minimum speed (in m/s) must he have in order to clear the canyon? (1) 11.9 (2) 17.1 (3) 15.5 (4) 9.80 (5) 22.0 2. A daredevil decides to jump a canyon. The walls of the canyon are equally high and 15.0 m apart. He takes off by driving a motorcycle up a short ramp sloped at an angle of 15°. What minimum speed (in m/s) must he have in order to clear the canyon? (1) 11.9 (2) 17.1 (3) 15.5 (4) 9.80 (5) 22.0 3. A daredevil decides to jump a canyon. The walls of the canyon are equally high and 10.0 m apart. He takes off by driving a motorcycle up a short ramp sloped at an angle of 12°. What minimum speed (in m/s) must he have in order to clear the canyon? (1) 11.9 (2) 17.1 (3) 15.5 (4) 9.80 (5) 22.0 4. Runner A is initially 7.00 mi west of a flagpole and is running with a constant velocity of 7.00 mi/ h due east. Runner B is initially 7.00 mi east of the flagpole and is running with a constant velocity of 4.00 mi / h due west. How far (in miles) are the runners from the flagpole when they meet? (1) 1.91 (2) 0.545 (3) 5.00 (4) 7.00 (5) 9.51 5. Runner A is initially 5.00 mi west of a flagpole and is running with a constant velocity of 7.00 mi/ h due east. Runner B is initially 2.00 mi east of the flagpole and is running with a constant velocity of 4.00 mi/ h due west. How far (in miles) are the runners from the flagpole when they meet? (1) 1.91 (2) 0.545 * (3) 5.00 (4) 7.00 (5) 9.51 6. Runner A is initially 9.00 mi west of a flagpole and is running with a constant velocity of 2.00 mi/ h due east. Runner B is initially 1.00 mi east of the flagpole and is running with a constant velocity of 3.00 mi / h due west. How far (in miles) are the runners from the flagpole when they meet? (1) 1.91 (2) 0.545 (3) 5.00 (4) 7.00 (5) 9.51 ...
View Full Document

{[ snackBarMessage ]}