If this sequence was sampled with asampling frequency fs 20 kHz, what size of DFT isrequiredin order to get a frequency resolution of 5Hz?

Ineed asap! list 3 examples in which friction us or makes things easier in our daily life. explain the effect of friction for each. *make sure you explain the effect of friction for each example! *

Why should seat belts not be mandatory quick plz

The voltmeter reads 117 v and ammeter reads 0.13 a .if the resistance of ammeter and voltmeter are 9 kilo ohm and 0.015 ohm respectively ,find the value of r. 3marks