A rifle bullet with mass 8.00 g strikes and embeds itself in a block with mass 0.992 kg that rests on a frictionless horizontal surface and is attached to a coil spring constant 1500N/m. The impact compresses the spring 15.0.cm.
PartA: Find the magnitude of the block's velocity just after impact.
Part B: What was the initial speed of the bullet? m/s