A box slides down a ramp with position vector givem At t = 3 s, what is the box's velocity and acceleration

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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1. A box slides down a ramp with position vector given by r= 0.5t i + 3f² j + 8t k (m), where t is in s.
At t = 3 s, what is the box's velocity and acceleration? What is the box's speed?
Transcribed Image Text:1. A box slides down a ramp with position vector given by r= 0.5t i + 3f² j + 8t k (m), where t is in s. At t = 3 s, what is the box's velocity and acceleration? What is the box's speed?
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