The source of the earth's magnetic field is found in the ;LIQUID MAGNETIZED IRON IN THE CORE OF THE EARTH. The earth's magnetic field is believed to be generated very deep down in the earth's core as a result of molten iron which it contains.
Answer:
The value is
Explanation:
From the question we are told that
The length of the crack is
The frequency is
The distance outside the cave that is being consider is
The speed of sound is
Generally the wavelength of the wave is mathematically represented as
=>
=>
Generally for a single slit the path difference between the interference patterns of the sound wave and the center is mathematically represented as
=>
=>
Generally the width of the sound beam is mathematically represented as
=>
=>
Answer:
The answer is A. C and O..
Answer:
12+ 18 divide by 2 is the average minutes
Answer:
The efficiency of the engine is 59.2%.
Explanation:
We have,
Work done by the gasoline engine is 45 J and the for every 76 J of heat it takes in.
It is required to find the efficiency of the engine. Efficiency of the engine is given by the ratio of work done to the heat taken i. Its formula is given by :
So, the efficiency of the engine is 59.2%.