Question

Define acceleration. A bus decreases its speed from 80 km/h to 60 km/
acceleration of the bus.
intinn Write few examples of each. Draw
speed from 80 km/h to 60 km/h in 5 s. Find the acceleration of the bus.
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Answer 1

Answer:

in mechanics, acceleration is the rate of change of the velocity of an object with respect to time. Accelerations are vector quantities.

SI unit, m /sec2

V-U/t

80-60=20/5

4km/h

Answer 2

Explanation:

1)a vehicle's capacity to gain speed

initial velocity= 80 km/h = 22.2 m/s

v= final velocity = 60 km/h = 16.7 m/s

t= time = 5 s

a= acceleration = ?

a=v-u/t

a= 16.7-22.2/5

a= -5.5/5

Therefore, a=-1.1 m/s^2