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Velocity question
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A marksman at rest fires a 4.00-kg gun that expels a bullet of mass 0.0140 kg with a velocity of 181 m/s. the marksman mass is 81.0 kg. what is the marksmans velocity after firing the gun?
Escape Velocity question
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With which speed should we throw something, that it goes out of the gravity of the earth and start moving around the earth or goes off? With which speed does earth around its own axis?
Velocity/work question
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you cannonbal into the water from a 15m diving board.what velocity do you hit the water and what work is done by the water if you stop 1.9m below the surface? Mass=85kg.
How to find force needed for takeoff in a plane.
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While waiting at the airport for your flight to leave, you observe some of the jets as they take off. With your watch you find that it takes about 34.9 seconds for a plane to go from rest to takeoff speed. In addition, you estimate that the distance required is about 1.6 km. If the mass of a...
Windspeed created in takeoff?
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How strong is the wind behind the engines during takeoff? For example behind a boeing 747. What is the strength compared too, Hurricane, storm.. Thank's, Roger View more questions Search
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