Two identical spheres of radius 80 mm. and mass 2 kg on the surface of the earth are placed in contact. Find the gravitational attraction between them. From 14) to 18) Given: mass of earth = 5.9742×1024 kg, radius of earth = 6378 km, mass of moon = 0.073 483 × 1024 kg, radius of moon = 1737 km.

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step-by-step explanation:

18 units²

step-by-step explanation:

first let's find altitude bd using the distance formula

d = √((y₂ - y₁)² + (x₂ - x₁)²)

bd = √((0 - -3)² + (0 - 3)²)

bd = √18

given the placement of points a and c, we can denote that point d bisects segment ac.

we will call ac the base.

using the distance formula

ac = √((0 - 6)² + (-6 - 0)²)

ac = √72

knowing our base and our height, we can plug these into our triangle area formula

area = (b * h)/2

area = (√18 * √72) / 2

area = (√1296) / 2

area = 36 / 2

area = 18 units²