Hw.1 1. With a starting velocity of 60 m/s, a tiny projectile is launched vertically downward into a fluid medium. The projectile decelerates by a = (-0.4v) m/s? due to the fluid's drag resistance, where v is measured in m/s. Calculate the projectile's velocity and position 4 s after it is fired. 2. Starting from rest, a particle moving in a straight line has an acceleration of a = (2t - 6) m>s2, where t is in seconds. What is the particle's velocity when t = 6 s, and what is its position when t = 11 s? %3D

Hw.1 1. With a starting velocity of 60 m/s, a tiny projectile is launched vertically downward into a fluid medium. The projectile decelerates by a = (-0.4v) m/s? due to the fluid's drag resistance, where v is measured in m/s. Calculate the projectile's velocity and position 4 s after it is fired. 2. Starting from rest, a particle moving in a straight line has an acceleration of a = (2t - 6) m>s2, where t is in seconds. What is the particle's velocity when t = 6 s, and what is its position when t = 11 s? %3D

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.19P: Plot the earths gravitational acceleration g(m/s2) against the height h (km) above the surface of...

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