KinematicsF2013-Ave+[Compatibility+Mode]

# Nejat phys 1l03 fall 2013 mcmaster university r nejat

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

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: tion • Downward acceleration – g = 9.8 m/s2 The horizontal component of velocity is constant, whereas the vertical component of velocity is accelerated downward by gravity, g. PHYS 1L03, Fall 2013, McMaster University, R. Nejat 15 One-Dimensional Motion Two-Dimensional Motion y Example: • Projectile Motion: vi vi Vi, y v i, x v i cos i v i, y v i sin i i x Horizontal Vertical vx vy x v i,x t PHYS 1L03, Fall 2013, McMaster University, R. Nejat y i Two-Dimensional Motion Example: Projectile y Vi, x a v i, x • A projectile is fired with an initial velocity of 80 m/s at an angle of 30o above the horizontal. Find its (a) position and (b) velocity after 6 s. 9 .8 m / s 2 v i, y v i, y t v i sin i vi i v i, x x v i, y gt y gt v i, y t 1 2 x v i, x t vy 2 initial v 2y v i2, y i initial at2 2g y PHYS 1L03, Winter 2013, McMaster University, R. Nejat Two-Dimensional Motion y vi i x Example: • A stone is thrown upwards from the top of a 45.0 m high building with a 30o angle above the horizontal. If the initial velocity of the stone is 20.0 m/s, how long is the stone in the air, an...
View Full Document

## This document was uploaded on 03/16/2014 for the course PHYSCS 1L03 at McMaster University.

Ask a homework question - tutors are online