You leave on a trip in order to attend a meeting that will start after you begin your trip. Along the way you plan to stop for dinner
If the fastest you can safely drive is 65 mi/h, what is the longest time you can spend over dinner and still arrive just in time for the meeting? A) 2.4 h
B) 2.6 h
C) 1.9 h
D) You can't stop at all.
A
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A pure substance A having density of 800 kg/m^3 (56 lbm/ft^3) is diffusing into a binary mixture of A and B. If the velocity of A is 4 cm/hr (1.2 in/hr) into the mixture and the velocity of B is 3.6 cm/hr out of the mixture, what is the total bulk velocity? Assume that the density of pure B is 900 kg/m3 (63 lbm/ft^3) and that the mixture density is 890 kg/m^3 (61 lbm/ft^3).
What will be an ideal response?
What index of refraction halves the wavelength that light has in a vacuum?
A. 1.33 B. 1.50 C. 1.41 D. 2.00 E. 5.00
The photosphere
A. is the hottest part of the Sun. B. is the layer of the Sun where it transitions from being opaque to transparent. C. is the densest part of the Sun. D. is the part of the Sun where nuclear fusion is occurring.
Charge of uniform density (3.5 nC/m) is distributed along the circular arc shown. Determine the electric potential (relative to zero at infinity) at point P
a.
61 V
b.
42 V
c.
52 V
d.
33 V
e.
22 V