Two boys are going on different bikes to their college, which is 15 km away from their houses. First boy takes 30 minutes to reach to the college, whereas the second boy tka 15 minuts more than the first boy. Find out the difference in their speeds?
(answer with calculation)
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Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities
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the strong magnetic field produced inside the solenoid can be used to magnetise a piece of magnetic material like soft iron, when placed inside the coil(c) the pattern of the magnetic field associated with the solenoid is different from the pattern of the magnetic field around a bar magnet(d) the N- and S-poles exchange position when the direction of current through the solenoid is reversed.
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