Uniform motion is any motion at constant speed
Indicate whether the statement is true or false
F
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What makes up the dark colors of the lunar lowlands?
a. sedimentary rock b. anorthosite c. andesite d. basalt e. iron
Why did Earth retain most of its water while Venus and Mars lost theirs?
What will be an ideal response?
Exhibit 11-1
Two birds of prey hurtling after the same mouse collide in mid-air and grab each other with their talons. Each 250-g bird is flying at 30 m/s at a 60° angle to the ground.
?
?
Use this exhibit to answer the following question(s).
Refer to Exhibit 11-1. What is the magnitude of their velocity, in m/s, immediately after the collision?
A. 0 B. 13 C. 15 D. 26 E. 30
Suppose that Jupiter had never existed, and there was no planet in our solar system between Mars and Saturn. How would we expect this to have affected Earth?
A) Earth would have been hit by many more comet impacts. B) There would not have been any effect, since Jupiter is in the outer solar system and Earth is in the inner solar system. C) Earth's orbit would have been unstable, and our planet would have spiraled into the Sun. D) There would be no water on Earth.