How fast does it move after the bullet emerges

Reference no: EM1310364

Q1. A 24 g bullet travelling 230 m/s penetrates a 2.2 kg block of wood and emerges cleanly at 170 m/s. if the block is stationary on a frictionless surface while hit, how fast does it move after the bullet emerges?

Q2. A cart carrying a vertical missile launcher moves horizontally at the constant velocity of 30.1 to the right. It launches a rocket vertically upward. The missile has an initial vertical velocity of 40.33 relative to the cart.

Q3. A pulsar (a rotating neutron star) emits pulses at a frequency of 0.43 kHz. The period of its rotation is? Explain how you got that too?

Reference no: EM1310364

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