Question: how is the answer C and B, can you write out the steps The air resistance F acting on an object falling vertically through air

how is the answer C and B, can you write out the steps

The air resistance F acting on an object falling vertically through air is given by the expression F = 0.13v2 where v is the speed of the object. The mass of the object is 30g. What is the terminal velocity of this object? A 0.20ms-1 B 0.48ms-1 C 1.5ms-1 D 2.3ms-1 Your answer C 5 An object is travelling along a horizontal surface with kinetic energy 16J and speed v. A force acts against the motion of the object. The work done by this force is 4.0J. What is the final speed of the object in terms of ? A 0.75v B 0.87v C 1.1v D 1.3V Your answer B [1]

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