Wednesday
December 11, 2013

# Posts by Leslie

Total # Posts: 614

Math
X-17/-2=28

Physics - Astronomy
What (decimal) fraction of a hypothetical spherical planet's volume does a planetary core with a radius of 70% of that planet's radius have? Round off answer to three decimal places. [Hint: the volume of a sphere is equal to 4/3 pi times the radius cubed]

Physics - Astronomy
A hypothetical moon is orbiting Saturn in a circular orbit that has exactly 3 times the period that an object orbiting in one of one of the gaps in Saturn's rings would have. As measured from the center of Saturn at what fraction [to 3 decimal places] of that moon's or...

science
Explain the Nitrogen cycle

Earth Science
Explain the Earth's Cabon Cycle

earth
Explain the Nitrogen Cycle

Physics
A particle of mass m1 is tide to a string and describes a circumference on a horizontal plane. The string (of negligible mass)passes through a hole that is in the center of the plane and goes down vertically. At the lower end is tied another particle of m2. If the first partic...

Physics
The angular position of a particle that moves around the circumference of a circle with a radius of 5m has the equation: theta = a*t^2 Where a is constant. theta is in radians t is in seconds Determine the total acceleration and its intrinsic components for any time t and give...

Physics
A disk rotates on the horizontal. A blcok is hanging from the tisc, which forms an angle with the vertical of 45 degrees while the disk turns. The radius of the disc is .1mm and the length of the string is .06 m. Determine the velocity of rotation for the system.

Physics
An umbrella with a diameter of 1 m turns 22 rev every 44 seconds. If it's 1.5 m from the ground, calculate the time it takes for a drop to reach the ground and the distance away from the umbrella a person should stand so as to not get wet. For this problem I made a = (0, -...

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