Find the initial velocity of a car which is stopped in 10 sec by applying brakes the retardation due to breaks is 2.5m/s2
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first take the equation
v=u+at
we know that cars stopped then value of v=0
, Value of A should be in negative because it is retardation then A= -2.5m/s²
and t=10 sec (given)
v=u+at
0=u+(-2.5x10)
0=u+(-25)
0+25=u
then, u=25m/s²
v=u+at
we know that cars stopped then value of v=0
, Value of A should be in negative because it is retardation then A= -2.5m/s²
and t=10 sec (given)
v=u+at
0=u+(-2.5x10)
0=u+(-25)
0+25=u
then, u=25m/s²
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