An innocent mosquito is flying along the interstate and has a collision with a speeding semi. Which one experiences a greater acceleration (change in velocity)?
A. The mosquito
B. The semi
C. They both experience the same acceleration
D. There is no change in velocity
A. The mosquito
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Order the following from most to least dense:
a. black hole, neutron star, white dwarf b. white dwarf, neutron star, black hole c. black hole, white dwarf, neutron star d. neutron star, white dwarf, black hole
In a laptop computer, the power converter plugs into the wall's AC outlet and it plugs into the computer's DC power jack. The direct current is composed of
A. protons moving through the wire. B. electrons moving in the wire. C. exactly one half of the voltage of the AC that operates the power converter. D. both protons and electrons moving through the wire in the same direction.
______________ is the study of planet Earth
Fill in the blank(s) with correct word
Which of the following features of a telescope determines its light-gathering power?
a. the focal length of the primary lens b. the focal length of the eyepiece c. the diameter of the primary lens d. length of the telescope tube e. None of the other choices are correct.