tanhatanveer6928
27.12.2019 •
Physics
Wonder woman runs 70 m [n 35 ej and then 60 m [s 35 e].
calculate her distance travelled and her displacement. if this
trip takes her 12 seconds, calculate her average speed and her
average velocity.
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Ответ:
distance: 130m
displacement (if she goes north then south) : 10m North
speed: 10.83m/s
velocity: 0.83m/s
Ответ:
r = 22393 m.
From the Coulomb's Law equation F = kq₁q₂/r² we have to clear the distance r:
r = √kq₁q₂/F
Solving:
r = √[(9x10⁹N.m²/C²)(12C)(13C)]/2800N
r = 22393 m