(a) (8pts) A block with mass

2.5kg

slides frictionless on a horizontal tabletop and is fastened to one\ end of a spring. At the start of the experiment, the spring with a spring constant

k=10(N)/(m)

,\ is compressed to position the mass at

x_(0)=-10m

. At

x=0

the spring is relaxed (neither\ compressed not stretched). If the mass is released, what is its velocity at the moment it passes\

x=0

? Without doing any math, state the type of motion

x(t)

we would observe.\ ure 1:

(a) (8pts) A block with mass 2.5kg slides frictionless on a horizontal tabletop and is fastened to one end of a spring. At the start of the experiment, the spring with a spring constant k=10N/m, is compressed to position the mass at x0=10m. At x=0 the spring is relaxed (neither compressed not stretched). If the mass is released, what is its velocity at the moment it passes x=0 ? Without doing any math, state the type of motion x(t) we would observe. Figure 1