All symbol of class 9 physics ch 1 and 2
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Ch motion average speed = total distance/total time
av velocity = (v+u)/2
v = final velocity
u = initial velocity
t= time
s=total distance
speed = s/t
mathematical equations
at=v-u
s=ut +1/2at^2
2as= v^2 -u^2
object which moves in circle or revolves how to take out speed of it ?
circumference of circle /t
2pie r /2
av velocity = (v+u)/2
v = final velocity
u = initial velocity
t= time
s=total distance
speed = s/t
mathematical equations
at=v-u
s=ut +1/2at^2
2as= v^2 -u^2
object which moves in circle or revolves how to take out speed of it ?
circumference of circle /t
2pie r /2
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