A player hits a tennis ball into the air with an initial velocity of 32 m/s at 35° from the vertical. How fast is the ball moving at the highest point in its trajectory if air resistance is negligible?
What will be an ideal response?
18 m/s
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What are the two main differences between extrasolar planetary systems discovered to date and our Solar System?
A) extrasolar planets tend to be more massive and dense than Jupiter B) extrasolar planet orbits tend to be more eccentric and inclined than in our Solar System C) extrasolar planet orbits tend to be closer and more eccentric than in our Solar System D) extrasolar planet orbits tend to be closer and more circular than in our Solar System E) extrasolar planets tend to be bigger and denser than Jupiter
Planetary geologists now refer to the exterior of the newborn moon as__________
A) a multiringed basin B) a micrometeorite C) a magma ocean D) coronae
Where is Jupiter's ring located? What is it made of, and why?
What will be an ideal response?
Helium fusion results in the production of
A) iron. B) nitrogen. C) carbon. D) oxygen. E) hydrogen.