Question

A man whose mass is 80kg stands on a spring weighing machine inside an elevator. What is the readingof the weighing machine when the elevator starts to ascend with an acceleration of 2ms seque. the elevator is moving with a uniform velocity, the elevator is coming to rest with a retardation 4m/s seque.

Answer 1

see other post on the acceleration going up. for the slowing down, use the -sign

Answer 2

I need answer