A body travels 200 cm in the first two seconds and 220 cm im the next four seconds. What will be the velocity at the end of seventh second from the start? - Quora
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![A uniform rod of length 200cm and mass 500g is balanced on a wedge placed at 40cm mark: Torque - YouTube A uniform rod of length 200cm and mass 500g is balanced on a wedge placed at 40cm mark: Torque - YouTube](https://i.ytimg.com/vi/whqjPr0nnMA/sddefault.jpg)
A uniform rod of length 200cm and mass 500g is balanced on a wedge placed at 40cm mark: Torque - YouTube
A rod is found to be 200 cm long at 40^∘ C and 200.24 cm at 100^∘C . The coefficient of cubical expansion of the material is
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![A uniform rod of length 200cm and mass 500g is balanced on a wedge placed at 40 cm mark. A mass of 2Kg is suspended from the rod at 20cm and another A uniform rod of length 200cm and mass 500g is balanced on a wedge placed at 40 cm mark. A mass of 2Kg is suspended from the rod at 20cm and another](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/647822228_web.png)