Calculate the Earth's angular momentum in the approximation that treats the Earth's orbit around the Sun as a circle. (MSun = 1.99 × 10^30 kg; T = 3.156 × 10^7 s; ME = 5.98 × 10^24 kg.)
2.67 × 10^40 kg/m2/s
You might also like to view...
An object that is moving with an acceleration different from zero will always have a(n) ______________ velocity
a. changing b. increasing c. constant d. decreasing
Which is NOT an example of the Bernoulli effect?
a. Smoke going up a chimney faster when there is a wind outside. b. A roof coming off a house in a tornado. c. A tarp covering a truck lifting up as the truck drives. d. Drinking a liquid through a straw. e. A piece of paper held in front of your lips rising as you blow air over it.
Which of the following phenomena is not commonly associated with the star formation process?
A) strong winds of particles blowing out into space from a protostar B) powerful "jets" shooting out along the rotation axis of a protostar C) the formation of a spinning disk of material around a protostar D) intense ultraviolet radiation coming from a protostar
The ____ depend(s) on the assumption that the mass of a galaxy or galactic cluster is large enough to keep moving matter bound to the main structure
a. rotation curve method b. velocity dispersion and cluster methods c. Shapley-Curtis and Hubble methods d. recessional velocity method e. tangential velocity method