3 In Figure (1), a 3.50g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass1.49 kg) and embeds itself in block 2 (mass 2.01 kg). The blocks end up with speeds v-0.570 m/s and vy 1.32 m/s (see Figure (2).Neglecting the material removed from block 1 by the bullet, find the speed of the bullet as it (a) leaves and (b) enters block 1.Frictionlew(1)(2)(a) Number5.75e2Unitsm/s(b) Number8.18e2Units In the figure, a block of mass m = 2.70 kg slides head on into a spring of spring constant k = 330 N/m. When the block stops, it hascompressed the spring by 14.0 cm. The coefficient of kinetic friction between block and floor is 0.240. While the block is in contactwith the spring and being brought to rest, what are (a) the work done by the spring force and (b) the increase in thermal energy of theblock-floor system? (c) What is the block's speed just as the block reaches the spring?(a) Number-3.23e4Units(b) Number0.889UnitsUnitsm/s(c) Number1,92

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In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.49 kg) and embeds itself in block 2 (mass 2.01 kg). The blocks end up with speeds v-0.570 m/s and vy- 1.32 m/s (see Figure (2). Neglecting the material removed from block 1 by the bullet, find the speed of the bullet as it (a) leaves and (b) enters block 1. -Ficle (1) (2)

In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.49 kg) and embeds itself in block 2 (mass 2.01 kg). The blocks end up with speeds v-0.570 m/s and vy- 1.32 m/s (see Figure (2). Neglecting the material removed from block 1 by the bullet, find the speed of the bullet as it (a) leaves and (b) enters block 1. -Ficle (1) (2)