Question

2. Calculate; The acceleration of any object due to Earth's gravity is -9.81 m/s. For every

Answer 1

As the time of motion increases, the velocity of the object increases downwards.

The given parameters;

• acceleration due to gravity, g = -9.81 m/s²
• velocity of the object, v₀ = 9.8 m/s

The final velocity of the object at different time is calculated as follows;

when the time = 1 second;

v = v₀ - gt

v = 9.8  - 9.8(1)

v = 0

when the time = 2 second;

v = v₀ - gt

v = 9.8 - 9.8(2)

v = -9.8 m/s

when the time = 3 second;

v = v₀ - gt

v = 9.8 - 9.8(3)

v = -19.6 m/s

Thus, we can conclude that as the time of motion increases, the velocity of the object increases downwards.

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