Question

A bear decides to go for a sprint. They have a top speed of 8m/s and are able to accelerate at a rate of 1.6m/s2. Determine the time it takes for the bear to reach their top speed from rest.

A. 5 seconds
B. 6 seconds
C. 7 seconds
D. 8 seconds

Answer 1

The bear takes 5 seconds to reach its top speed of 8 m/s from rest.

Step-by-step explanation:

To determine the time it takes for the bear to reach its top speed from rest, we can use the equation:

Final speed = Initial speed + (Acceleration * Time)

Given that the bear's top speed is 8 m/s and the acceleration is 1.6 m/s², we can rearrange the equation to solve for time:

Time = (Final speed - Initial speed) / Acceleration

Plugging in the values:

Time = (8 m/s - 0 m/s) / 1.6 m/s²

Time = 5 seconds

Therefore, it takes the bear 5 seconds to reach its top speed from rest.