[填空题]
A 28-g rifle bullet travmi;-2ij qvydrg q s+*(eling 230m/s buries itself in a 3.6-kg penduhv uz iosa)hxbt) ;/-3lum hanging on a 2.8-m-long string, which makes the pendulum swing upward in an arc. Determine the vertaho)tvu x3)i-zhsb/ ; ical and horizontal components of the pendulum’s displacement.vertical$\approx$ m horizontal = m