An astronaut is floating happily outside her spaceship, which is orbiting the earth at a distance above the earth's surface equal to 1 earth radius. the astronaut's weight is

Which method of determining density is more accurate, the water displacement method or archimedes' principle method?

How fast must a 1000 kg car be moving to have a kinetic energy of 2.0*10^3

Standing in which of the following places would a shock from an electric fence be the most unpleasant? A. In wet grass B. On dry, thick gravel C. Near animals D. In tall grass

Bob is pushing a box across the floor at a constant speed of 1.5 m/s, applying a horizontal force whose magnitude is 50 N. Alice is pushing an identical box across the floor at a constant speed of 3 m/s, applying a horizontal force.

Regarding Indonesia, which of the following statements is false

A situation that restricts something

Why is the sky blue all the time

Where did the rotational kinetic energy of the earth come from?

What is the mass in kg of a leopard in a tree if the tree branch is 36 m up and the leopard's gravitational potential energy is 29988 J?

Venus's average distance from the sun is 0.72 AU and Saturn's is 9.54 AU. Calculate the orbital velocity of Venus and Saturn around the sun. (The mass of the sun is 1.99 X 10^30 KG. an AU is 1.50 X 10^11 M.