CHAPTER 3 - 26 - x H y v O L v W v B x y v L D = 0.10 m/s....

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: x H y v O L v W v B x y v L D = 0.10 m/s. Thus the range of initial speeds is 10.76 m/s < v < 10.96 m/s . 89. ( a ) The rotational speed at the equator is v = 2p r E / T = 2p(6.38 10 6 m)/(86,400 s) = 464 m/s . ( b ) At a latitude , the radius of rotation (distance to the axis of rotation) is r E cos . The rotational speed is v = 2p r E cos / T = v cos = (464 m/s) cos 40 = 355 m/s . 90. We use the coordinate system shown in the diagram, with up positive. For the horizontal motion, we have x = v x t ; L = ( v cos ) t ; 195 m = ( v cos )(7.6 s), which gives v cos = 25.7 m/s. For the vertical motion, we have y = y + v y t + ! a y t 2 ; H = 0 + ( v sin ) t + ! ( g ) t 2 ; 155 m = ( v sin )(7.6 s) + ! ( 9.80 m/s 2 )(7.6 s))(7....
View Full Document

Page1 / 2

CHAPTER 3 - 26 - x H y v O L v W v B x y v L D = 0.10 m/s....

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