Answer Happy

Agent Arlene devised the following method of measuring the muzzle velocity of a rifle (the figure below). She fires a bullet into a 4.211-kg wooden block resting on a smooth surface, and attached to a spring of spring constant k 162.2 N/m The bullet, whose mass is 7.870 g, remains embedded in the wooden block She measures the maximum distance that the block compresses the spring to be 9 460 cm (Figure 1) Figure 1 of 1 > 9460cm M+n Y Part A What is the speed of the bullet? Express your answer to four significant figures and include the appropriate units. Value Units Submit Provide Feedback Request Answer