How fast is a 747 in mph? The top speed for a 747 is about 570 miles per hour (mph), and this flight topped out at 825 mph. Why 747 has a hump? Boeing decided to raise the cockpit above the nose cone, and — in order to maximize the planes aerodynamic efficiency — the […]
What is periodic signal in data communication?
What is periodic signal in data communication? Signals which repeat itself after a fixed time period are called Periodic Signals. Signals which do not repeat itself after a fixed time period are called Non-Periodic Signals. In data communications, we commonly use periodic analog signals and non-periodic digital signals. Is it possible to have a periodic […]
What is the 2 meter calling frequency?
What is the 2 meter calling frequency? For new hams who are likely to get started in local VHF/UHF operation, the national calling frequencies to be concerned with are 2m and 70cm FM simplex (non-repeater). These are 146.520MHz and 446.000MHz, respectively, and should be included in your radio’s scanned channels. What frequency is 70 cm? […]
What causes the sky to change hourly?
What causes the sky to change hourly? How many degrees do celestial objects appear to move across the sky per hour? They appear to move 15 degrees per hour, matching the earth’s rate of rotation. Why do stars stay in place? The stars in our galaxy are all orbiting in a nearly circular path around […]
Can methanol be used in a fuel cell?
Can methanol be used in a fuel cell? Methanol, a liquid carrier of hydrogen, is a fuel employed in fuel cells which can be compared in its use to petrol or diesel fuels for internal-combustion engines. What are the applications of methanol oxygen fuel cell? Direct-methanol fuel cells or DMFCs are a subcategory of proton-exchange […]
Why zinc is not a transition metal?
Which volcano erupted most recently?
Which volcano erupted most recently? Kilauea How many times has Mount Etna erupted since 2020? Since 2000, Etna has had four flank eruptions – in 2001, 2002–2003, 2004–2005, and 2008–2009. Summit eruptions occurred in 2006, 2007–2008, January–April 2012, in July–October 2012, December 2018 and again in February 2021. Why is Etna so dangerous? Etna produces […]
What were the main goals of the civil rights movement?
What were the main goals of the civil rights movement? One of the major goals of the Civil Rights Movement was to… School Segregation and Integration The massive effort to desegregate public schools across the United States was a major goal of the Civil Rights Movement. What method of protest was most effective on the […]
What are the major differences between unicellular and multicellular organisms?
What are the major differences between unicellular and multicellular organisms? Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. Unicellular organisms include bacteria, protists, and yeast. What are 4 examples of multicellular organisms? Following are […]
How do you really say sorry?
How do you really say sorry? Steps for saying you’re sorry Before you do anything, practise self-affirmation. It’s important to start by saying a few positive words to yourself. Spell out why you want to apologise. Admit you were wrong. Acknowledge the other person’s feelings. Say you’re sorry. Ask them to forgive you. How many […]