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

Otras preguntas

if lm=22 and mn=15 find ln
Can someone solve this?
Identify the mean of each distribution
How are proteins involved in DNA replication?
Why is the Yellow River significant to Chinese civilization? A. The yellow silt is a religious symbol in China. B. It provided explorers with an abundance of fi
which is the best example of refraction
This is what occurs when matter transistions between soild, liquid, and gasHint: 11 letters
what word best fits this definitonPeople who to to convert others to a particular religion1.medieval2.monks3.roles4.peasant5.manor6.seft7.henry II8.missionaries
Among 143 students with positive test results, there are 24 false positive results; among 157 negative results, there are 3 false negative results. If one of th
When do populations grow exponentially