Jetc34
Jetc34 Jetc34
  • 22-09-2018
  • Physics
contestada

physics question please help

physics question please help class=

Respuesta :

catwomanofcatz12
catwomanofcatz12 catwomanofcatz12
  • 22-09-2018

1.4 m/s im in 12th grade did this so this should be right

Answer Link
rohitkumargupta
rohitkumargupta rohitkumargupta
  • 22-09-2018
HELLO DEAR,

GIVEN:-
MASS (m) = 9000kg
kinetic energy (k) = 18000j

we know :-
k = 1/2 mv²

therefore,
18000 = 1/2 × (9000) × v²

v² = [tex]\bold{\frac{18000 \times 2}{9000}}[/tex]

v² = 36/9

v² = 4

v = 2m/s

hence, option (A) is correct,

I HOPE ITS HELP YOU DEAR,
THANKS
Answer Link

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