General Physics I

General Physics I - huynh (hph268) – HW #1 – clark –...

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

View Full Document Right Arrow Icon

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

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

Unformatted text preview: huynh (hph268) – HW #1 – clark – (56485) 1 This print-out should have 16 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points Consider the expression 2 π radicalBigg ℓ g , where ℓ is length and g is gravitational acceleration in units of length divided by time squared. Evaluate its units. 1. s 2. m 3. s m 4. m 2 5. m s 6. s 2 7. parenleftBig m s parenrightBig 2 8. parenleftBig s m parenrightBig 2 002 10.0 points A graph of a straight line going through two points is shown below. b b y- 5- 3- 1 0 1 2 3 4 5 x- 5- 4- 3- 2- 1 1 2 3 4 5 What is the equation of this line? 1. y = + 2 9 x + 8 9 2. y =- 9 2 x + 8 9 3. y =- 2 9 x + 4 4. y =- 9 2 x- 8 9 5. y = + 2 9 x + 4 6. y = + 2 9 x- 8 9 7. y = + 9 2 x- 4 8. y =- 2 9 x- 8 9 9. y = + 2 9 x- 4 10. y = + 9 2 x- 8 9 003 (part 1 of 2) 10.0 points Consider two planets with uniform mass dis- tributions. The mass density and the radius of planet 1 are ρ 1 and R 1 , respectively, and those of planet 2 are ρ 2 and R 2 What is the ratio M 1 M 2 of their masses? 1. M 1 M 2 = parenleftbigg ρ 1 ρ 2 parenrightbiggparenleftbigg R 1 R 2 parenrightbigg 3 2. M 1 M 2 = parenleftbigg ρ 1 ρ 2 parenrightbiggparenleftbigg R 2 R 1 parenrightbigg 3 3. M 1 M 2 = parenleftbigg ρ 2 ρ 1 parenrightbiggparenleftbigg R 1 R 2 parenrightbigg 4. M 1 M 2 = parenleftbigg ρ 2 ρ 1 parenrightbiggparenleftbigg R 1 R 2 parenrightbigg 2 5. M 1 M 2 = parenleftbigg ρ 2 ρ 1 parenrightbiggparenleftbigg R 1 R 2 parenrightbigg 3 6....
View Full Document

This note was uploaded on 09/28/2011 for the course PH 303K taught by Professor Zao during the Spring '11 term at University of Texas.

Page1 / 5

General Physics I - huynh (hph268) – HW #1 – clark –...

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