This car started from rest at a position of 4 km from the reference
point. It accelerated at 2.2 m/s^2
for a period of 0.5 minutes. How far
from the reference point is the car
located after the acceleration ends?

2 km

5 km

1 km

6 km

4.99km

Explanation:

We'll use s for distance, and t for time in seconds.

s = (1/2)at²

t = 0.5 minute*(60sec/1min)=30 sec

s = (1/2)*(2.2m/s²)(30sec)²

s = 990m

Reference point is 4km at start.  Distance from reference point is 9km + 0.990km = 4.99km

answer: strength i guess

explanation:

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