Questions Asked on June 28, 2005

A skipper on a boat notices wave crests passing his anchor chain every 5 s. He estimates the distanc... Asked on June 28, 2005 at 3:18 AM An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic waves that travel 1530 m/s... Asked on June 28, 2005 at 3:23 AM A spider hangs by its string at an eye level 20 cm in front of the plane mirror. You are behind the... Asked on June 28, 2005 at 3:28 AM The diameter of the sun makes an angle of .53 degrees from earth. How many minutes does it take for... Asked on June 28, 2005 at 3:32 AM : In case of a quadratic function, why are there two x-intercepts and one y-intercept? Let's say x... Asked on June 28, 2005 at 4:04 AM How to you compute the intercepts of a quadratic function? For the x-intercept, set x to 0. For th... Asked on June 28, 2005 at 4:05 AM Hi, I am confused about physics, more specifically force. I know that the formula for force is: f=m... Asked on June 28, 2005 at 12:10 PM How might you distinguish a sodium vapor street lamp from a mercury vapor steet lamp? http://en.wi... Asked on June 28, 2005 at 6:34 PM What elements results if one of the neutrons is in a nitrogen neucleus is converted by radioactive d... Asked on June 28, 2005 at 7:20 PM An electron drops from the fourth energy level, in an atom to the third level and then to the first... Asked on June 28, 2005 at 7:59 PM