A 2 kg object is accelerated uniformly from rest to a speed of 8m/sec in 4 sec. what power is deliverd to the object just after 3 sec

This is all you, but i can give you some topics that you could try. if it rained when you want to do something outdoors, it 'limits' that human activity. maybe you want to do an experiment that goes throughout the whole year and you have to have above freezing the entire year. this 'limits' your activity. i thought of those just off of the top of my head. something that gets to me that might be getting to you is you are thinking too hard about what to do. think simply, and if it is too simple, then bump it up just a little bit.

Ca mega city if i’m not mistaken

The correct answer is a)  a resource with a limited supply; it will run out.

Ascenario that doesnt  include any modern objects like electricity