pex1sm08 - August 4, 2008 PHY 2053 Discussion Practice Exam...

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

View Full Document Right Arrow Icon
August 4, 2008 PHY 2053 Discussion Practice Exam 1 (Chapter 1-5) 1. Which expression is dimensionally consistent with an expression that would yield a value for time -1 ? (Dimensional Analysis) a. v/x b. v 2 /x c. x/t d. v 2 t 2. A cheetah can run at approximately 100 km/hr and a gazelle at 80 km/hr. If both animals are running at full speed, with the gazelle 70 m ahead, how long before the cheetah catches its prey? (1D motion w/ constant velocity) a. 12.6 s b. 25.2 s c. 6.30 s d. 10.7 s 3. A bird, accelerating from rest at a constant rate, experiences a displacement of 28 m in 11 s. What is the final velocity after 11 s? (1D motion w/ constant acceleration) a. 1.8 m/s b. 3.2 m/s c. 5.1 m/s d. zero 4. At the top of a cliff 100 m high, Raoul throw a rock upward with velocity 15 m/s. How much later should he drop a second rock from rest so both rocks arrive simultaneously at the bottom of the cliff? (Free fall in 1D) a. 5.05 s b. 3.76 s c. 2.67 s d. 1.78 s 5. A taxicab moves five blocks due north, five blocks due east, and another two blocks due north.
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.

This note was uploaded on 12/13/2011 for the course PHY 2053 taught by Professor Buchler during the Fall '06 term at University of Florida.

Page1 / 2

pex1sm08 - August 4, 2008 PHY 2053 Discussion Practice Exam...

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