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.
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Use this exhibit to answer the following question(s).
Refer to . What is the horizontal component of their momentum, in 
a
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The condensation sequence suggests that ____ should condense as solids closest to the sun
a. hydrogen and helium b. metals and metal oxides c. silicates d. ices of water, methane, and ammonia
Which of the following best describes the axes of a Hertzsprung-Russell (H-R) diagram?
A) mass on the horizontal axis and luminosity on the vertical axis B) surface temperature on the horizontal axis and luminosity on the vertical axis C) mass on the horizontal axis and stellar age on the vertical axis D) interior temperature on the horizontal axis and mass on the vertical axis E) surface temperature on the horizontal axis and radius on the vertical axis
A common fuel impurity in fossil fuels is
a. sulfur. b. radon. c. carbon. d. hydrogen.
Velocity Selector: In a certain velocity selector consisting of perpendicular electric and magnetic fields, the charged particles move toward the east, and the magnetic field is directed to the north. What direction should the electric field point?
A. toward the east B. toward the west C. toward the south D. upward E. downward