Which of the following is the best object to use as a point of reference for describing the location of the parked car?
A. the bird
B. the streetlight
C. the store
D. the tree
Answer: C. the store
Physics & Space Science
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Charge of uniform density 12 nC/m is distributed along the x axis from x = 2.0 m to x = 5.0 m. What is the electric potential (relative to zero at infinity) at the origin (x = 0)?
a. 91 V b. 99 V c. 82 V d. 74 V e. 140 V
Physics & Space Science
A large stratified brine/water pond has a surface temperature of 140ºF and air at 70ºF moves across the pond at 15 mph. Estimate the convective heat transfer at the pond surface per unit area.
What will be an ideal response?
Physics & Space Science
Cathode rays and ________ are both streams of electrons.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
A mineral that looks glassy is said to have a(n) ______________ luster
Fill in the blank(s) with correct word
Physics & Space Science