Asked by vishal
if co-efficient of friction between tyre and road is 0.5, what is smallest radious at which car turn on a horizontal road when its speed is 30 km/hr?
2.Q calculate angular speed of how hand of a clock?
3.Q A what angle must cut rack with a bend of 250m banked for safe running of trains at speed of 72km/hr?
4.a force of 5kgwt acting on a body changes its vilocity from 20 cm/s to 1000 cm/s in 20s. calculate the mass of body, g=9.8 m/s2 ?
2.Q calculate angular speed of how hand of a clock?
3.Q A what angle must cut rack with a bend of 250m banked for safe running of trains at speed of 72km/hr?
4.a force of 5kgwt acting on a body changes its vilocity from 20 cm/s to 1000 cm/s in 20s. calculate the mass of body, g=9.8 m/s2 ?
Answers
Answered by
bobpursley
One post per problem, please, it gets much to cofusing.
Now, what have you done on these? What is your thinking>
Now, what have you done on these? What is your thinking>
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