Question

6. An object is thrown upward, it experiences
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Answer 1

Answer:

It experiences a constant resistance force which can produce a retardation of 2ms-2. The ratio of time of ascent to time of descent 13 (g=10ms-2) Let a be the retardation produced by resistive force.

Explanation:

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Answer 2

Gravitational Force.

Explaination:

When an object is thrown upwards, it experiences gravitational force exerted by the planet, and due to that it comes down at a speed of 9.8 m/s.