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A 2.4 x Hz laser emits a 3.5-μs pulse that is 5.0 mm in diameter.The average energy density in the beam is What average power is emitted by this laser? (c = 3.0 × 108 m/s,μ0 = 4π × 10-7 T ∙ m/A,ε0 = 8.85 × 10-12 C2/N ∙ m2)
Embryonic Period
A critical phase in development that spans from conception to the eighth week, where major organs and structures begin to form in an embryo.
Prenatal Development
The process of growth and development within the womb from conception to birth.
Uterus
A female reproductive organ where fetal development occurs during pregnancy.
Germinal Period
First 2 weeks after fertilization, during which the zygote moves down to the uterus and begins to implant in the lining.
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