The shadow of a pendulum cast on a flat board moves on a straight line. By placing the x - axis on the straight line
The shadow of a pendulum cast on a flat board moves on a straight line. By placing the xaxis on the straight line with the origin at the middle of the total path, the xcoordinate of the shadow is given by the following function: xtcost where t is in seconds and x is in centimeters. Find the speed, in centimeters per second, of the shadow at t s
