Mike applied 10 N of force over 3 m in 10 seconds. Joe applied the same force over the same distance in 1 minute. Who did more work?
a) Mike
b) Joe
c) both did the same work
Ans: c) both did the same work
Physics & Space Science
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What is at the center of a planetary nebula?
A: the core of the dying star B: something that will eventually become a neutron star C: something that will eventually become a white dwarf D: both A and B E: both A and C
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Stress is proportional to strain means that
A.
stress = constant × strain.
B.
stress = (constant 1) × strain + constant 2.
C.
stress = 
.
.D.
stress = 
.
.E.
stress × strain = constant.
Physics & Space Science
The neap tide can occur at the ________ or ________ phases of the Moon
Fill in the blank(s) with correct word
Physics & Space Science
A fused combination of a diverging and converging lens pair, each made from a different index of refraction glass, is used to reduce the occurrence of which of the following effects?
a. mirages c. chromatic aberration b. light scattering d. spherical aberration
Physics & Space Science