What is the dominant feature of the lunar surface?

a. mountains
b. rilles
c. craters
d. lobate scarps
e. lava tubes


c

Physics & Space Science

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A 4.00 kg object is moving at 3.00 m/s WEST. It strikes a 6.00 kg that is moving WEST at 2.00 m/s. The objects have a one-dimensional elastic collision in the EAST-WEST direction. The velocity of the 4.00 kg object after the collision is

A. 1.00 m/s WEST. B. 2.80 m/s EAST. C. 1.80 m/s WEST. D. 2.80 m/s WEST. E. 1.80 m/s EAST.

Physics & Space Science

In a Voigt solid with an elastic modulus of 1 GPa, if a stress of 1 MPa is applied for a long time and then removed for a long time, the total strain is equal to _________.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science

A copper sphere, 10 cm in diameter, is subjected to a pressure of 1.0 × 106 N/m2. What is the change in the diameter of the sphere? The bulk modulus for copper is 1.4 × 1010 N/m2

A) 2.2 × 10-6 m B) 2.2 × 10-7 m C) 7.1 × 10-6 m D) 7.1 × 10-7 m E) 7.1 × 10-8 m

Physics & Space Science

The most noteworthy event that occurred during the Pleistocene was the

A) emergence of the early humans. B) ice age. C) appearance of the grasslands. D) divergence of horses.

Physics & Space Science