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blushraven22Lv1
26 Mar 2020
A mass on a spring vibrates horizontally on a smooth level surface (see the figure). Its equation of motion is 
where t is in seconds and x in centimeters.
Find the velocity and acceleration at time t.
Find the position, velocity and acceleration of the mass at time 
. In what direction is it moving at that time?
A mass on a spring vibrates horizontally on a smooth level surface (see the figure). Its equation of motion is where t is in seconds and x in centimeters.
Find the velocity and acceleration at time t.
Find the position, velocity and acceleration of the mass at time
. In what direction is it moving at that time?
Patrina SchowalterLv2
24 May 2020
, where s is measured in centimeters and t in seconds. (Take thepositive direction to be downward)
, where 
is in meters and 
is in seconds. Find
, and
where the position 
is measured in meters, 
and the time is measured in seconds, 
. Find the instantaneous velocity and acceleration of that particle at 
.