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Write an Interface called Exam with a method Pass(int mark) that returns a Boolean. Write another Interface called Classify with a method Division(int average) which returns a string. Write a class called Result which implements both exam and Classify. The Pass method should return true if the mark is greater than or equal to 50 else false. The Division method must return "FIRST" when the parameter average is 60 or more, "SECOND" when average is 50 or more but below 60, "NO DIVISION" when average is less than 50.
A46dB sound wave strikes an eardrum whose area is4.0multiplied by10-5m2. How much energy is absorbed by the eardrum per second
A heat pump removes 2000 J ofheat from the outdoors and delivers 3160 J of heat to the inside of a house. How much work does the heat pump need
A sledge with bricks has a total mass of 180.0 kg and is pulled at a constant speed by a rope inclined at 20 degrees above the horizontal. The sledge moves a distance of 20 m on a horizontal surface.
A 205 kg log is pulled up a ramp by means of a rope that isparallel to the surface of the ramp. The ramp is inclined at 30degrees with respect to the horizontal. The coefficient of kineticfriction between the log and the ramp is 0.900, and the log..
The length of a simple pendulum is 0.85 m and the mass of the particle (the "bob") at the end of the cable is 0.29 kg. Using the position of the bob at its lowest point as the reference level, determine the total mechanical energy of the pendulum as..
A gold conductor with an electric field of 0.01 V/m applied, is1.00 cm long, and 0.05 mm in radius. Assuming one conduction electron per atom, what is the drift velocity of the electrons at a temperature of 20 degrees C. At 50C?
a 216 kg log pulled up a ramp by means of a roe that is parallel to the surface of the ramp. the ramp is inclined at 30
A car is driven east for a distance of 47 km, then north for 25 km, and then in a direction 29° east of north for 29 km. find (a) magnitude (in km) of car's total displacement from its starting point and (b) the angle (from east) of the car's total..
Suppose a certain laser can provide 76 TW of power in 1.1 nspulses at a wavelength of 0.38 μm. How much energy is contained in joules in a single pulse?
question1a person doing a chin-up weighs 725 n disregarding the weight of the arms. throughout the first 20.0 cm of the
An inductor has the form of a coil with 1750 turns and a diameter of 1.3 mm. The inductor is placed in a magnetic field perpendicular to the plane of the coil and increasing at a rate of0.31 T/s.
What is constant speed V
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