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1. Consider an airplane that normally has airspeed of 100km/h in a 100km/h crosswind blowing west to east. Compute its ground velocity when its nose is pointed north in the crosswind.
2. A boxer punches a sheet of paper in mid air and brings it from rest up to a speed of 25m/s in 0.05s.
1. What acceleration is imparted to the paper?
2. If the mass of paper is 0.003kg, what force does the boxer exert on it?
3. How much force does the paper exert on the boxer?
a steel wire of length 1.6 m and diameter 1.10 mm is joined to an aluminum wire of identical dimensions to make a
The cross sectional area of an adjustable single loop is reduced from 1m^2 to 0.25 m^2 in 0.1 s. What is the average emf that is induced in this coil if it is in a region where B=2T upward , and the coil's plane is perpendicular to B?
A particle undergoes two displacements, measured from the positive x-axis, with counterclockwise positive. Find the angle of the second displacement
If an inductor carrying a 2.00 A current stores an energy of 0.250 mJ, what is its inductance
a a dye molecule has emission cross section cm2 at nm and fluorescence lifetime 3 ns. assuming the transition is
The primary coil of a transformer has 100 turns and its secondary coil has 400 turns. what voltage is present in its secondary coil
10-kg block is connected to a 40kg block.The horizontal surface on which the blocks slide is not frictionless and assume both blocks are made out of same material. a force of 50 N pulls the blocks to the right and produces an acceleration of 1/2 m..
A 150 g Copper bowl contains 220 g of water, at an initial temperature T1. A 300 g Copper cylinder at 7000 C is dropped into the water, How much energy is transferred to the bowl
How to discuss the results in relation to the objectives of the experiment of CENTRIPETAL FORCE? Next, how am i supposed to elaborate the results that I obtained if my results are confirmed the centripetal force theory.
find the mass of Earth from the period T and the radius r of the Moon's orbit about the Earth. T=27.3 days and r=3.82E5 km. suppose the Moon orbits the center of Earth rather than the center of mass of the Earth-Moon system.
The sound in a classroom is 68000 times asintense as the minimum threshold of hearing. What is the intensity level of this sound in decibels
Suppose Fuzzy, a quantum-mechanical duck, lives in a world in which h = 2?J · s. What is the minimum uncertainty in the duck's speed
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