uick Start Guide - Allanta 1 x O My Apps Dashboard | Atlanta Tec X A Content X + atlantatech.blackboard.com/ultra/courses/_26721_1/cl/outline poking.com Mcafee Security 4 LastPass password... Rough Endoplasmic. a, Amazon.com - Onli... ...| LastPass HELO Air Caffeine |... on 2 A particle moves along the r-axis according to r (t) - 18t - 3t2 m . Give your answers to two significant figures. (a) What is the instantaneous velocity at t = 3 s and t = 4 s? The instantaneous velocity at t = 3 s is Number m/s The instantaneous velocity at t - 4 s is |Number m/s. b) What is the instantaneous speed at these times? The instantaneous speed at t - 3 s is Number m/s The instantaneous speed at t - 4 s is | Number m/s. (c) What is the average velocity between t - 3 s and t = 4 s? The average velocity between t = 3 s and t = 4 s is I = Number m/s. Submit Assignment Quit & Save Back Question Search 10 8