A 80.0-kg airplane pilot pulls out of a dive by following, at a constant speed of 180km/hr, the arc of a circle whose radius is
300m. A) At the bottom of the circle, what are the direction and magnitude of his acceleration
1 answer:
Answer: 8.33m/s²
Explanation:
Mass of the airplane pilot = 80kg
The speed of plane v = 180km/h = 50m/s
The radius of circle r = 300 m
The acceleration of the plane will be calculated as:
a = v²/r
a = 50²/300
a = 2500/300
a = 8.33m/s²
Note that 180km/h was converted to m/s by
= (180 × 1000)/(60 × 60)
= 180000/3600
= 50m/s
1000 meters = 1 kilometer
60 minutes = 1 hour
60 seconds = 1 minute
3600 seconds = 1 hour
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