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Answer to Question #22616 in Mechanics | Relativity for Kim

Question #22616
An object is thrown vertically upwards, rises to a maximum height and eventually returns to its original displacement, subject to negligible air resistance. describe the following, while the body is in the air:
1. the speed
2. the velocity
3. the resultant force
4. the acceleration
Expert's answer
1. the speedS = V0 - g * t
2. the velocity
V = | S | = | V0 - g * t |
3. the resultant force F = m * g
4. the acceleration a = -g

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