Answer: 24 buses.
Explanation:
v0 = 33.5 m/s
theta = 18.0 deg
horizontal distance travelled by bike = range of projectile = v0^2 sin(2 theta ) / g
d = 33.5^2 sin(2 x 18.0) / 9.81
d = 67.24
number of buses = 67.24 / 2.74 = 24.54
so it will able to cross 24 buses.
