When the specimen does not flow when tilted, the jar is held horizontally for 5 sec.

An alternating current stimulus of 50 Hz and 150 mA through ear-clip electrodes was delivered for 0.2 sec to the experimental animals.

Hold for 20 30 sec, moving gently to agitate.

Prachi's rider, Mohit drove for 42 sec.

Since speedtests only run for 30 sec at most, it's only testing the max bandwidth connection, not it's average (what people actually care about).

I use the ice for 90 sec.

Russel Koch plays his guitar for 25 min & 38 sec.

The cells were pelleted by centrifugation for 15 sec at 12,000 rpm in an Eppendorf centrifuge (model 5415 C).

My question is: You were given a 2Kg mass and you applied a 9 Newtons of force across a frictionless table for 4 sec.

Nuclei were pelleted in a microcentrifuge for 10 sec.