Question

A bee flies at a constant rate of 5 m s until it notices a flower. It then comes to rest in 5 seconds. Find the acceleration of the bee if a= Δv Δt .

Answer 1

Vi=5m/s because that was the speed before it started decelerating
Vf=0m/s because it says it comes to rest
t=5s because it says in the question

a=Vf-Vi/t
a=5m/s/5s
a=1m/s^2

Answer 2

Since the bee flies at constant rate, the acceleration is equal to zero.

Acceleration is the rate of change of velocity.

Given that a bee flies at a constant rate of 5 m s until it notices a flower. It then comes to rest in 5 seconds, according to the question, the bee is coming to rest in 5 seconds. Whenever an object in motion is going to rest, the final velocity will be equal to zero.

When object is going to rest, it decelerates and not accelerate.

Since the bee flies at constant rate, That means the speed is not changing. The acceleration will be equal to zero.

Therefore, a= Δv/ Δt = 0

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