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MatroZZZ [7]
4 years ago
15

Identify the possible source of earth's magnetic field

Physics
1 answer:
irakobra [83]4 years ago
6 0
The every center of earth
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.a car increases its speed from 10 m/s to 20/s in 2.5. seconds calculate it’s acceleration
Mekhanik [1.2K]

Answer:

\boxed {\boxed {\sf 4\ m/s^2}}

Explanation:

Acceleration is the rate of change of an object with respect to time. It is the change in velocity over the time.

a= \frac{v_f-v_i}{t}

The car starts at 10 meters per second and increases to 20 meters per second in 2.5 seconds.

  • v_f= 20 m/s
  • v_i= 10 m/s
  • t= 2.5 s

Substitute the values into the formula.

a= \frac{ 20 \ m/s - 10 \ m/s}{2.5 \ s }

Solve the numerator.

a= \frac{10 \ m/s}{2.5 \ s}

Divide.

a= 4 \ m/s/s

a= 4\ m/s^2

The acceleration of the car is <u>4 meters per second squared.</u>

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3 years ago
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