Physics
Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2

0.14 m/s
14 m/s
1.4 km/s
140 m/s

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Physics
Plants are dried up in winter due to frost because

Respiration does not take place at low temperature
Evaporation does not take place
There is mechanical loss of tissues and drought condition prevails
Photosynthesis does not take place at such low temperature

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