[单选题]
A ball is projected withbw0s-fep j w5* an initians vp5zy5np k y94/epr47sp8gl speed of $2\,m\,s^{-1}$
making an angle of $35^{\circ}$with the horizontal as shown.
Which expression gives the vertical component of the velocity vector?
A. $2\,m\,s^{-1}$
B. $2\cos(35^{\circ})\, m\,s^{-1}$
C. $2\sin(35^{\circ})\, m\,s^{-1}$
D. $2\tan(35^{\circ}) \,m\,s^{-1}$
