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7. MOTION
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उस पत्थर का वेग-समय ग्राफ खींचिए जो ऊर्ध्वाधर ऊपर फेंका जाता है और अधिकतम ऊँचाई पर पहुँचने के पश्चात् अधोमुखी वापस आ रहा है।
Option A
Option B
Option C
Option D
Solution

When a stone is thrown upward, its velocity is at maximum. The velocity begins to drops as the stone attains height. Once the stone attains the maximum height, velocity becomes zero. After that, stone begins to fall down. At this points, velocity beings to rise. Velocity is at its maximum when the stone hits the ground.
Standard 9
Science
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