____________ are located beyond the asteroid belt (3 AU) from the Sun, have extremely large masses and very low densities
a. Comets
b. Extrasolar planets
c. Asteroids
d. Terrestrial planets
e. Jovian planets
e
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Given that the planet orbiting the nearby star 51 Pegasi is about 20X larger than the Earth, but 400X more massive, on that world you would weigh:
A) the same as you do here. B) twice as much as you do here. C) half as much as you do here. D) 20X more that you do here. E) 400X more than you do here.
Three boxes in contact rest side-by-side on a smooth, horizontal floor. Their masses are 5.0-kg, 3.0-kg, and 2.0-kg, with the 3.0-kg box in the center. A force of 50 N pushes on the 5.0-kg box, which pushes against the other two boxes
(a) Draw the free-body diagrams for each of the boxes. (b) What magnitude force does the 3.0-kg box exert on the 5.0-kg box? (c) What magnitude force does the 3.0-kg box exert on the 2.0-kg box?
Sound waves in air are transverse waves
Indicate whether the statement is true or false
Igneous rocks are formed by the
A) melting and transformation of minerals in Earth's interior. B) cooling and crystallization of molten magma. C) partial crystallization of granitic magma. D) cooling and crystallization of molten lava in Earth's interior.