knots per hour or knots
A knot equals one nautical mile per hour, so it makes no sense to speak of “knots per hour.” Leave off “per hour” when reporting the speed of a vessel in knots.
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knots per hour vs knots :
News & Articles
- Softer landing: Fort Polk trains with new T-11 parachutes
'30 seconds — stand by!' A deafening whoosh of air passes at more than 100 knots per hour and within seconds one light grey canopy after another fills the silent white-clouded blue sky.
June 22, 2013 - The Alexandria Town Talk
- Wired Space Photo of Day: Guts of a Dead Star
Suspended in time and space, the aftermath of a massive star¿s dramatic ending in a supernova explosion is captured by ESA¿s XMM-Newton space observatory. Nested knots of hot gas glowing green at X-ray wavelengths ¿ equivalent to millions of degrees celsius ¿ fill the structured central region of this expanding supernova remnant.
June 15, 2013 - Wired News - You're already paying for some undocumented immigrants' health care
As the immigration reform debate is tied in knots over health care, a little-known Medicaid program already reimburses for some emergency health care received by illegal immigrants.
June 14, 2013 - Washington Post - Wind delays start of fishing tournanment
PORT CLINTON – A strong wind out of the north gusting to 20 knots produced waves of two-to-four feet and forced the postponement of the scheduled Friday start of the Cabela’s National Walleye Tour fishing tournament on Lake Erie.
June 14, 2013 - The Toledo Blade