The gravity on the Earth has acceleration is smallest in magnitude
Given:
- Acceleration from 0 to 30 m/s in 2 s
- Deceleration from 30 m/s to 10 m/s in 1.5 s
- Gravity on Earth
To find:
The accelerations with the smallest magnitude
Solution:
- Acceleration from 0 to 30 m/s in 2 s
The acceleration in 2 seconds:
[tex]=\frac{30 m/s-0 m/s}{2s}=15 m/s^2[/tex]
The magnitude of the acceleration is 15.
- Deceleration from 30 m/s to 10 m/s in 1.5 s
The deceleration in 1.5 seconds:
[tex]=\frac{10m/s-30 m/s}{1.5 s}=-13.4 m/s^2[/tex]
The magnitude of the deceleration is 13.4.
The value of the acceleration due to gravity = [tex]g = 9.8 m/s^2[/tex]
The magnitude of the acceleration is 9.8.
9.8 < 13.4 < 15
The gravity on the Earth has acceleration is smallest in magnitude.
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