Tyrosine is an amino acid with the following structure:
The structure contains:
A benzene ring (6 carbon atoms),
A carbon atom in the side chain connected to NH$_2$ and COOH,
Two additional carbon atoms in the COOH and CH$_2$OH groups.
Total carbon atoms = 9.
A body of mass 1000 kg is moving horizontally with a velocity of 6 m/s. If 200 kg extra mass is added, the final velocity (in m/s) is: