A rifle bullet with mass 8.00 g strikes and embeds itself in a block with mass...

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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 an ideal spring. The impact compresses the spring 15.0 cm. Calibration of the spring shows that a force of 0.750 N is required to compress the spring 0.250 cm. (Figure 1) Figure (< 1 of 1 <> ww K15.0 cm- Part A Find the magnitude of the block's velocity just after impact. Express your answer with the appropriate units. µA ? Value Units Ublock = Submit Request Answer Part B What was the initial speed of the bullet? Express your answer with the appropriate units. HẢ µA ? Ubullet = Value Units Submit Request Answer 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 an ideal spring. The impact compresses the spring 15.0 cm. Calibration of the spring shows that a force of 0.750 N is required to compress the spring 0.250 cm. (Figure 1) Figure (< 1 of 1 <> ww K15.0 cm- Part A Find the magnitude of the block's velocity just after impact. Express your answer with the appropriate units. µA ? Value Units Ublock = Submit Request Answer Part B What was the initial speed of the bullet? Express your answer with the appropriate units. HẢ µA ? Ubullet = Value Units Submit Request Answer