A car moving with constant acceleration a= 2 m/s2. crosses the observer with speed v= 20m/s. At what
distance s from the observer was the car behind, t = 6 secprior to this point?
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Answered by
10
Answer:
156 m
Explanation:
According to the given question,
a = acceleration = 2 m/s^2
u = initial velocity = 20 m/s
t = time = 6 s
s = displacement
And we are asked to find distance after 6 sec.
Here distance is equal to the displacement as it's a linear motion without change in direction.
We know,
- s = ut+1/2 at^2
Now putting the values we get,
- s = 20*6+ 1/2* 2*36
- s = 120+ 36
- s = 156 m
Thus distance of the car from the observer after 6sec is 156 m when given conditions are applied.
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