Rosa is conducting the scientific practice of observation.
I do not see where the question is
Well where s is speed, d is distance and t is time.
We have distance and time so we can calculate speed.
Hope this helps.
<u>r3t40</u>
"Vaporize" means "turn into vapor".
A). Condensation . . . No. That's turning from gas into liquid.
<em>B). Evaporation . . . Yes. That's turning from liquid into gas.</em>
C). Freezing . . . No. That's turning from liquid into solid.
D). Melting . . . No. That's turning from solid into liquid.
Use F=ma. F is the tension in the cable 7e3N. m is 600kg. Solve for a:
a=7e3/600=11.67m/s^2