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The horizontal range and maximum height of a projectile are equal. The angle of projection is:
$R = H \Rightarrow \dfrac{u^2\sin2\theta}{g} = \dfrac{u^2\sin^2\theta}{2g}$
$4\sin\theta\cos\theta = \sin^2\theta \Rightarrow 4\cos\theta = \sin\theta \Rightarrow \tan\theta = 4$
$\theta = \mathbf{\tan^{-1}(4)}$
A Compressed Workweek allows employees to:
A compressed workweek is any arrangement of work hours that permits employees to fulfill their work obligation in fewer days than the typical five-day workweek (e.g., four 10-hour days instead of five 8-hour days).
PPROM = Rupture of membranes before 37 weeks gestation without labor.
Evidence-based management bundle (ACOG/RCOG):
| Intervention | Rationale | Drug/Dose |
|---|---|---|
| Hospitalization | Monitor for chorioamnionitis, cord prolapse | โ |
| Antibiotics | Prolong latency period, reduce chorioamnionitis | Erythromycin 250 mg QID ร 10 days (avoid amoxicillin-clavulanate โ associated with NEC) |
| Antenatal corticosteroids | Fetal lung maturity (if 24โ34 weeks) | Betamethasone 12 mg IM ร 2 doses, 24 hr apart |
| MgSOโ neuroprotection | If <32 weeks, reduces cerebral palsy | \(4\,\text{g}\) IV loading dose |
| GBS prophylaxis | If GBS status unknown | Penicillin G IV |
Tocolysis: Short-term tocolysis (48 hr) to allow steroids to act, but not for prolonged tocolysis as it may mask infection signs. Nifedipine or indomethacin used.
Chorioamnionitis signs (mandate delivery regardless of GA): fever, uterine tenderness, fetal tachycardia, maternal tachycardia, foul-smelling liquor, elevated CRP/WBC.
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