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I finished all my other questions but i don't know how to do this one. could someone help me? I added 100 points. It is attached. :)

I Finished All My Other Questions But I Dont Know How To Do This One Could Someone Help Me I Added 100 Points It Is Attached class=

Sagot :

The answers are mentioned below.

What is Acceleration ?

Acceleration is the change of speed with respect to time.

It is given that ,

The mass of the person is 50kg

Weight is 490 N

He has boarded an elevator with a bathroom scale.

1. The elevator is going down at constant speed , Force = 0N as acceleration is zero , The reading is 50kg.

2. The elevator is going up an slowing down . The magnitude of the acceleration is 4.9 m/sq.s , Force = mass * acceleration = 50 * 4.9 = 245N acting upward but the net force will be acting downward.

490 - 245 =  145N , reading 14.79 kg.

3.The elevator is free falling with an acceleration of 9.8m/sq.s force 0 N , as the gravitational force is pulling you down and the scale pushes up with the same force , Reading is 0 kg.

To know more about Acceleration

https://brainly.com/question/12550364

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