1.
एका कॅनमध्ये A आणि B या दोन द्रावणांचे मिश्रण 7: 5 या प्रमाणात आहे. जेव्हा त्यातील 9 लिटर मिश्रण
काढून घेतले आणि B द्रावणाने तो कॅन पूर्णपणे भरला तर A आणि B चे प्रमाण 7 : 9 झाले, तर त्या कॅनमध्ये
सुरुवातीला A चे द्रावण किती असेल?
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Answer:Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing.
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Answer:
21
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