Question

A BUS IS MOVING AT A SPEED OF 18 Km/hr . It is retarding at a rate of 2m/s2 and comes to rest finally . Find the distance traveled by it.

Answer 1

Answer:

6.25m

Explanation:

Given,

Acceleration = -2m/s²

Speed = Velocity

u = 18 km/h = 18 x 5/18 = 5m/s

v = 0 km/h = 0m/s

Need to find,

Distance = Displacement = s

Solution,

Applying 3rd equation of motion,

2as = v² - u²

Putting the values,

2(-2)s = (0)² - (5)²

-4s = 0 - 25

-4s = -25

s = -25/-4

s = 25/4

s = 6.25 m

Therefore, Distance is 6.25m

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