Question1a sealed well-insulated 2000ml thermos bottle with

Reference no: EM13350721

Question1

A sealed, well-insulated 2000mL thermos bottle with negligible heat capability is completely empties - a perfect vacuum. To this you add 550 mL of liquid nitrogen at its boiling point and a piece of scrap iron of mass 202g at first at a temperature of 239K. Foolishly, the bottle is sealed tightly so that no gas can escape. You then hide the thermos under the professor's lectern, sneak out of the room, and await the inevitable explosion. After a few seconds have passed, what is the pressure inside the thermos? The density of liquid nitrogen is 810 kg/m^3.

Question2

An airplane is flying with a velocity of 240 m/s at an angle of 30 degrees with horizontal. When an altitude of the plane is 2400m, a flare is released from the plane. The flare hits the aim on the ground. What is the angle?

Reference no: EM13350721

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