Between mass and weight, the more fundamental quantity is
A) mass.
B) weight.
C) both the same.
D) none of the above
Answer: A
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Pat is viewing the moon with her new telescope. She is using a 10. mm eyepiece. Which of the following eyepieces will double the magnification?
A) 40. Diopter B) 8. mm C) 200. Diopter D) 12. mm E) 5. Diopter
A circular loop carrying a current of 3.0 A is oriented in a magnetic field of 0.35 T. The loop has an area of 0.24 m2 and is mounted on an axis, perpendicular to the magnetic field, which allows the loop to rotate. If the plane of the loop is oriented parallel to the field, what torque is created by the interaction of the loop current and the field?
a. 0.017 N×m c. 0.25 N×m b. 0.084 N×m d. 5.8 N×m
Negatively charged subatomic particles are known as:
a. neutrons b. protons c. electrons d. elements e. atoms
Despite being only a medium-size moon, Enceladus may have subsurface habitable zones
Indicate whether the statement is true or false