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Q1. A bubble having a diameter of 1.0 cm is released from a depth of 5 m from the bottom of a swimming pool. What will the diameter of the bubble be while it reaches the surface? The temperature of the water is 20 0C at the top of the pool whereas it is 15 0C at the bottom. (Water density is 143 kg/m3). (Treat the air as an ideal gas)
Q2. A 72 person stands on a uniform ladder 4.5 long, that weighs 75. The floor is rough; hence, it exerts both a normal force, and a frictional force, on the ladder. The wall, on the other hand, is frictionless; it exerts only a normal force.
Find out the work completed by neoconservative forces in stopping plane. At the nozzle exit, diameter is 2.5 cm and the density is 1.29kg/m^3. What is the speed of the air as it leaves the nozzle.
A 1.8 kg ball of putty moving to the right has a head-on inelastic collision with the .50 kg putty ball moving to the left. If the combined blob doesn't move just after the collision, what can you end about the relative speeds of the balls before the..
Determine the new planets mass density to earth mass density
Determine an angle (in radians) through which the drill rotates during this period.
Mary is driving her car at 48 km/h. She approaches an intersection just as the traffic light turns yellow. The yellow light lasts only 3.0 s before turning to red, and she is 30 m away from the near side of the intersection.
If you now place a pencil under the edge of the mirror nearer the wall, tilting it upward by 5.0, how much higher on the wall is the spot?
With the power supply disconnected, the dielectric material is removed and the potential difference between the plates is measured to be 500 V. What is the dielectric constant of the material that was at first used to fill the gap between the plates.
Consider two dimensional simple triangular lattice for free electron metal with two electrons per atom. Assume the lattice constant is a, find the areas electron and hole pockets that are formed in the second and first Brillouin zones respectively. F..
Two packages at UPS start sliding down a ramp 40 degrees from the horizontal, Package A is sliding down in front of Package B. Package A has a mass of 3.50 and a coefficient of kinetic friction of 0.220. Package B has a mass of 8.00 and a coefficient..
What is a density of the block
And if the plane could fly without this pilot, how much force would the plane require to maintain the equal acceleration?
What is a quantum well: give an example of structure, growth method to make quantum wells and quantum states i.e. outline quantization using diagrams
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