Define the entering speed of the bullet

Reference no: EM1365177

Q. A pendulum has a length L = 1.49 m. It hangs straight down in a jet plane about to take off as shown by the dotted line in the figure. The jet accelerates uniformly, and during that time, the pendulum oscillates about the equilibrium position shown by the solid line, with D = 0.340 m. Calculate the magnitude of the plane's acceleration.

Q. A 15 g lead bullet is tested by firing it into a fixed block of wood with a mass of 1.05 kg. The block and the embedded bullet together absorb all the heat generated. After thermal equilibrium has been reached, the system has a change in temperature measured as 0.020 oC. Estimate the entering speed of the bullet.

Reference no: EM1365177

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