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Q4. A cannon mounted on wheels has a mass of 1380 kg. It shoots a 5.45-kg shell at 190 m/s lforward]. What will be the velocity of the cannon immediately after firing the shelr? (Read Examole9.5 on textbook)
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Answer #1

From momentum coservaticon

Momentum before firing = momentum after firing

0 = mv +MV

0 = 5.45*190 + 1380*V

V= - 0.75 m/s

Cannon moves back with a speed 0.75 m/s

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