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

what are the Confederate states?
How to convert fractions into decimals?
what is algor mortis?
How many halves are there in 23
1.Heat Energy is also known as?2.Energy from the sun is?3.Three energy transformations in turning on a flashlight?4.Energy transformation in a car starting and
Does the phrase "Dar de comer al perro" mean "to feed the dog" or "to give the dog something to eat"?
Does the phrase "Dar de comer al perro" mean "to feed the dog" or "to give the dog something to eat"?
An acrostic poem about the brain
Why do birds fly? And also how to get rid of scariness of birds?
Simplify. All Variables represent (3√200)*(4√32)