T Thylacine New Member Joined May 1, 2012 Messages 18 Gender Undisclosed HSC N/A May 15, 2013 #1 The velocity of a particle is given by v=100 + 280e^-kt ms^-1 . If the velocity decreases by 20% after 50 seconds , find the % decrease in velocity after 3 minutes.
The velocity of a particle is given by v=100 + 280e^-kt ms^-1 . If the velocity decreases by 20% after 50 seconds , find the % decrease in velocity after 3 minutes.
anomalousdecay Premium Member Joined Jan 26, 2013 Messages 5,766 Gender Male HSC 2013 May 17, 2013 #2 At t=0 sec, v=380 m/s. Now: Find k. Then substitute 180 seconds and k to find v. Find the % decrease.
At t=0 sec, v=380 m/s. Now: Find k. Then substitute 180 seconds and k to find v. Find the % decrease.