If the speed of light is y-3.00 x 10 m/s and light travels in a vacuum at a distance s= 1 ft. How many nanoseconds does it take light to travel in a vacuum?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
100%
If the speed of light is y-3.00 x 10° m/s and light travels in a vacuum at a distance
s= 1 ft. How many nanoseconds does it take light to travel in a vacuum?
O a. 1.02 ns
O b. 2.01 ns
O c. 102 ns
O d. 10.2 ns
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Transcribed Image Text:If the speed of light is y-3.00 x 10° m/s and light travels in a vacuum at a distance s= 1 ft. How many nanoseconds does it take light to travel in a vacuum? O a. 1.02 ns O b. 2.01 ns O c. 102 ns O d. 10.2 ns Previous page Next page
The specific weight of a certain liquid is 70.5 lb/ft. Find the density of the
liquid. Hint: 1 lb%3D4.448 N.
O a. 2128.45 kg/m3
b. 1128.45 kg /m3
O c. 128.45 kg/m3
O d. 1228.45 kg/m3
Clear my choice
Transcribed Image Text:The specific weight of a certain liquid is 70.5 lb/ft. Find the density of the liquid. Hint: 1 lb%3D4.448 N. O a. 2128.45 kg/m3 b. 1128.45 kg /m3 O c. 128.45 kg/m3 O d. 1228.45 kg/m3 Clear my choice
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