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The leaves of a tree lose water to the atmosphere via the process of transpiration. A particular tree loses water at the rate of 3x10^-8 cubic meters this water is replenished by the upward flow of sap through vessels in the trunk. This tree's trunk contains about 2000 vessels, each 100um in diameter. What is the speed of the sap flowing in the vessels?
A lead block is suspended from the underside of a 0.8 kg block of wood of density of 720 kg/m3. determine the mass of the lead block
What is the rms speed of nitrogen molecules contained in an 7.9 m3 volume at 2.1 atm if total amount of nitrogen is 1100 mol.
A certain automobile manufacturer claims that its super-deluxe sports car will accelerate from rest to a speed of 39.6 m/s in 7.73 s. Find the acceleration of the car
A 0.20 kg mass resting on a frictionless surface is attached to a solid wall by means of a spring with and elastic force constant k of 5.0 N/m. calculate the maximum velocity experienced by the mass
A cyclist intends to cycle up a hill whose vertical height is 170m. Assuming the mass of bicycle plus cyclist is 75kg , calculate how much work must be done against gravity
Two C1 = 3.7 μF, C2 = 18.7 μF are charged individually to V1 = 14.2 V, V2 = 7.0 V. Calculate the final potential difference across the plates of the capacitors once they are connected
An unstretched spring with spring constant 21 N/cm is suspended from the ceiling. A 3.3 kg mass is attached to the spring and let fall. To the nearest tenth of the centimeter, how far does it stretch the spring.
Two cylindrical artificial bones are made of the same material and length, one with twice the radius as the other. When the two have the same tension force applied, the larger bone stretches by what factor compared to the smaller bone?
A flat coil of wire of 18 turns and area 4 m^2 is placed in a uniform magnetic field of 0.6 T. Determine the magnetic flux through the coil
A door made of a uniform piece of wood measures 1 m by 2 m and has a mass of 18 kg. Find the force (mag and direction) that the door exerts on the hinge
A 5.10E+4 kg space probe is traveling at a speed of 12900 m/s through deep space. determine What is the final speed of the probe
A solid sphere of uniform density starts from rest and rolls without slipping down an inclined plane with angle ? = 30.0o. The sphere has mass M = 8.0 kg and radius R = 0.19 m . The coefficient of static friction between the sphere and the plane is ?..
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