math
posted by Rocio Aguilera
The mean radius of the Earth is 6.37 x 106 meters (m). Assuming the earth can be modeled as a perfect sphere
a. In cubic meters (m3 ) what is the volume of the Earth?
b. In meters (m) what is Earth’s circumference?
c. If the mean density is 5.515g/cm3, what is the Earth’s mass in kilograms (kg)?
Respond to this Question
Similar Questions

physics
Suppose that the displacement of a particle is related to time according to the expression delta x = ct^3. What are the SI units of the proportionality constant c? 
physics
As the earth rotates through one revolution, a person standing on the equator traces out a circular path whose radius is equal to the radius of the earth (6.38 106 m). What is the average speed of this person in meters per second? 
Astro
What is the distance in meters from the Earth's center to a point outside the Earth where the gravitational acceleration due to the Earth is 1/20 of its value at the Earth's surface? 
Math
A satellite is launched into orbit 200 kilometers above the Earth.The orbital velocity of a satellite is given by the formula v=√GmE/r, where v is the velocity in meters per second, G is a given constant, mE is the mass of Earth, … 
Calculus (Parts A and B done, just help with C)
The radius, r, of a sphere is increasing at a constant rate of 0.05 meters per second. A. At the time when the radius of the sphere is 12 meters, what is the rate of increase in its volume? 
Math
Can You help me with this question? The distance from the earth to the sun is about 1.5 X 10^8 km, while the distance from the earth to the moon is about 3.8 X 10^5 km. If a scale model of the solar system is constructed so that the 
College Chem
The density of the Earth is about 3.5g/cubic centimeters. If the Earth has a radius of 1.126 by 10 (to the seventh power) meters, what is its mass? 
Geometry
find the radius of a sphere withh the given property. A.The number of square meters of a surface area equals the number of cubic meters of volume. B. The ratio of surface area in square meters to volume in cubic meters is 1:5. 
Physics Classical Mechanics
The mean distance from the center of the earth to the center of the moon is rem = 3.84 × 108 m. The mass of the earth is me = 5.98 × 1024 kg and the mass of the moon is mm = 7.34 × 1022 kg. The mean radius of the earth is re = 6.37 … 
Earth Space Science
the horizontal distance between a crest to the next trough of an ocean wave is 5 meters. what is the wavelength of the ocean wave?