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The amplitude of the sound wave depends on the force with which an object is made to vibrate. Amplitude is a measure of the size of sound waves. It depends on the amount of energy that started the waves. Greater amplitude waves have more energy and greater intensity, so they sound louder. The loudness of sound refers to the intensity of sound waves. It depends on the amplitude of vibrations.
A train 525 meters long running at a speed of 103 kmph overtakes another train which is 425 meters long running at a speed of 73 kmph in the same direc...
Ratio of the lengths of two trains ‘X’ and ‘Y’ is 3:4 respectively and the ratio of time taken by them to cross a pole is 1:2 respectively. If s...
A goods train leaves a station at a certain time and at a fixed speed. After 11 hours, an express train leaves the same station and moves in the same di...
A 180 m long train crosses another 270 m long train running in the opposite direction in 12 seconds. If the shorter train crosses a pole in 12 seconds, ...
A train passes a stationary pole in 12 seconds. It takes 15 seconds for the same train to completely overtake a man who is running at a speed of 14.4 k...
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 26 seconds and 16 seconds respectively. It took 18...
Two trains, each 100 meters long, are running in opposite directions. If one train's speed is twice that of the other and they take 10 seconds to cross ...
Two trains of same length are running in parallel tracks in the same direction with speed 60 km/hr and 90 km/hr respectively. The latter completely cros...
Two trains approach each other at 23 kmph and 26 kmph from 2 places 245 km apart. After how many hours they will meet?
Two trains, A and B, cross each other in 15 seconds and 35 seconds respectively, when running in opposite and the same direction respectively. If the sp...
