Calories of the food type are equal to which of the following?
a. 4.186 J
c. 1 BTU
b. 4186 J
d. 1054 J
B
Physics & Space Science
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Polypropylene has _________strength at elevated temperatures than PE does.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
Rank them from fastest to slowest in how quickly each warms up: (a) steel, 450 J/kg??C ; (b) aluminum, 910 J/kg??C ; (c) copper, 390 J/kg??C .Rank from fastest to slowest. To rank items as equivalent, overlap them.
Physics & Space Science
The y component of the electric field of an electromagnetic wave traveling in the +x direction through vacuum obeys the equation
Ey = (375 N/C) cos[kx - (2.20 × 1014 rad/s)t]. What is the wavelength of this electromagnetic wave? (c = 3.0 x 108 m/s) A) 0.272 µm B) 17.1 µm C) 2.72 µm D) 1.36 µm E) 8.57 µm
Physics & Space Science
What is meant by the event horizon?
What will be an ideal response?
Physics & Space Science