A block of mass .3 kg on a horizontal surface is attached to a horizontal spring of negligible mass. The other end of the spring is attached to a wall, and there is negligible friction between the block and the horizontal surface. The block-spring system is released from rest and undergoes
A.Determine the average velocity of the block from the slope of the curve between 0 s & 1 s then calculate KE using this average velocity.
B.Determine the average speed of the block from the slope of the curve between .2 s & .8 s then calculate KE using this average velocity.
C.Determine the average speed of the block from the slope of the curve between .4 s & .6 s then calculate KE using this average velocity.
D.Determine the average speed of the block from the slope of the curve between .45 s & .55 s then calculate KE using this average velocity.
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