fastmast507 fastmast507

31-05-2023
Physics

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2. a) How long will it take a shell to hit the ground when fired from a 20 m tall cliff at an initial horizontal
velocity of 80 m/s?

b) What is the vertical velocity of the shell when it hits the ground?

c) What is the horizontal velocity of the shell as it reaches the ground?

d) How much kinetic energy did the shell have the instant before it hit the ground? (Mass of shell = 1.2 kg

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