An Astronaut Is Standing on the Surface of a Planetary

question 34

Short Answer

An astronaut is standing on the surface of a planetary satellite that has a radius of
1.74 × 10⁶ m and a mass of 7.35 × 10²² kg.An experiment is planned where a projectile needs to be launched straight up from the surface.What must be the minimum initial speed of the projectile so it will reach a height of 2.55 × 10⁶ m above this satellite's surface?
(G = 6.67 × 10^-11 N ∙ m²/kg²)

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Definitions:

IgA Antibodies

Immunoglobulin A antibodies, a type of antibody present in mucous membranes, playing a key role in mucosal immunity by neutralizing pathogens before they enter the body.

Breast Milk

Breast milk is the milk produced by the mammary glands of human females to feed their infants, providing essential nutrients and antibodies.

Adaptive Immunity

Adaptive immunity refers to the defense mechanisms in the body that are developed specifically against an antigen, including the production of antibodies and generation of memory lymphocytes.

Cytokine

Protein or peptide secreted by a cell that regulates the activity of neighboring cells.