The relative size of the mantle of Earth compared to the solid inner core of Earth is most similar to
A) the peel of an orange as compared to the meat of the orange.
B) the rind of a watermelon as compared to the meat of the watermelon.
C) the skin of a grape as compared to the meat of the grape.
D) the meat of a peach as compared to the pit of the peach.
E) the meat of a cherry as compared to the pit of the cherry.
E
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How tightly the nucleons in a nucleus are bound together is indicated by the nucleus's
a. atomic number. b. mass number. c. neutron number. d. half-life. e. binding energy.
A simple pendulum and an object oscillating on an ideal spring both have period T in an elevator at rest. If the elevator now moves downward at a uniform 2 m/s, what is true about the periods of these two systems?
A) Both periods would remain the same. B) Both periods would increase. C) Both periods would decrease. D) The period of the pendulum would increase but the period of the spring would stay the same. E) The period of the pendulum would decrease but the period of the spring would stay the same.
How are asteroid masses measured?
What will be an ideal response?
A motor scooter undergoes acceleration when it
A) gains speed. B) decreases speed. C) changes direction. D) all of the above