One shot

A car 2 m long and 3 m wide is moving at $\text{ 10 m s}^{-1}$ when a bullet hits it in a direction making an angle $\tan ^{-1} \frac{3}{4}$ with the car as seen from the ground. The bullet enters edge of one corner and passess out diagonally opposite corner. Time for the bullet to cross the car is $t$ sec, find 10 $t$ .( No gravity)