Question
Download Solution PDF5 सेकंदामध्ये एक कार 18 किमी/तास पासून 36 किमी/तास पर्यंत एकसमान वेगवान होते. मीटर/सेकंद2 मध्ये प्रवेग किती आहे?
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Detailed Solution
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- प्रवेग: गती बदलण्याच्या दराला वस्तूचा प्रवेग म्हणतात. म्हणजे,
\(a = \frac{{{v_2} - {v_1}}}{{{t_2} - {t_1}}}\)
जेथे v 2 = येथे वस्तूच्या t2 व v = 1 गती v1 वस्तूची गती
- ही एक सदिश राशी आहे.
- तिची दिशा (गती नाही ) गती बदलाच्या समान आहे.
गणना :
दिलेलेल्याप्रमाणे - u = 18 किमी/तास = 5 मीटर/सेकंद v = 36 किमी/तास = 10 मीटर/सेकंद आणि t = 5 सेकंद
प्रवेग असा लिहिला जातो
\(\Rightarrow a = \frac{{{v_2} - {v_1}}}{{{t_2} - {t_1}}}\)
\(\Rightarrow a = \frac{{{10} - {5}}}{5}=1m/s^2\)
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