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Oxygen for hospital patients is kept in special tanks, where the oxygen has a pressure of 70.0 atmospheres and a temperature of 288 K. The tanks are stored in a separate room, and the oxygen is pumped to the patient's room, where it is administered at a pressure of 1.00 atmospheres and a temperature of 297 K. What volume does 3.00 m3 of oxygen in the tanks occupy at the conditions in the patient's room?
The left ventricle of the heart accelerates blood from rest to avelocity of +24cm/s. If the displacement of the blood during theacceleration is +1.6 cm, determine its acceleration (incm/s2). How much time does blood take to reach its final velocity?
Suppose that the electric field in the Earth's atmosphere is E = 1.38 102 N/C, pointing downward. Determine the electric charge in the Earth
A kangaroo jumps vertical into the air and returns to the ground 2.00s later. How high did the kangaroo jump
A water dispenser for pets has an inverted plastic bottle. When acertain amount of water is drunk from the bowl, more water flowsautomatically from the bottle into the bowl. The bowl neveroverflows. Explain the operation of the dispenser. Does the he..
A Carnot engine extracts 850 J from a 600 K reservoir during each cycle and rejects 450 J to a cooler reservoir. Find the temperature of the cool reservoir
Consider a spring of stiffness k and mass m. If we stretch - simultaneously - both ends of the spring by force F1 and F2. What will be the elongation of the spring
Two steel wires of the same length, one with radius r and the other with radius 4r, are connected together, end to end, and tied to a wall. How far does the point where the two wires meet move
a uniform electric field of magnitude 200 vm is directed in the negative x direction. a 10.7 muc charge moves from the
suppose that a uniform magnetic field is everywhere perpendicular to this page. the field points directly upward toward
You are piloting a small plane that can maintain an air speed of 136.5 kt (knots, or nautical miles per hour), At that heading, what will be your ground speed
A plane electromagnetic wave of intensity 5.30 W/m2, moving in the x direction, strikes a small pocket mirror, of area 38.7 cm2, held in the yz plane. Find the force that the wave exerts on the mirror
question 1 a silver wire is 4.8 m long and 0.47 mm in diameter. what is its resistance?question 2 when a potential
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