Adocking shuttle needs to decelerate at a very specific rate, given by a=bt2a=bt2 . if the shuttle is moving at 800m/s800m/s and begins at 30km away, how long will it take to dock?

as it is given here

by integrating both sides

as finally it has to stop

also we know that

integrating both sides

so it will take t = 50 s to cover this distance

when the use of electricity burdens the fuse and miniarure circuit beakers and there is a possibility of a fuse then they automatically cut off the electricity supply to your homes and after you fix the problem u jzt switch it on and it continues the supply of electricity to ur homes

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask