shaikhaaldhaheri1461 shaikhaaldhaheri1461

04-02-2021
Physics

contestada

A 2-kg object is moving at 3 m/s. A 4-N force is applied in the direction of motion and if the object has a final velocity 7m/s. calculate the distance that the object moves

Respuesta :

26jhrnje 26jhrnje

04-02-2021

intial velocity u=3m/s
final velocity v
2
=u
2
+2as=3
2
+(2×2×5)=29 ⟹v=5.3m/s

KE=
2
1

m(v
2
−u
2
)=
2
1

×2×((5.3)
2
−3
2
)=20J

Answer Link

Otras preguntas

All living things use nitrogen to A) reproduce. B) make sugar. C) make proteins. D) transport water.

Which of the following is generally considered not to be characteristic of the Democratic party? regulating business activities environmental standards conserva

6 + 8/10x = 9/10x what is x?

why did proponents of the torture memo believe that waterboarding was an acceptable interrogation technique

A baker uses different amounts of salt when she bakes loaves of bread, depending on which recipe she is following. the amount of salt called for in each recipe

what are two decimals that are equivalent to 7.75

how many acres of land are in a rectanglar parcel 234' * 878'

a baseball player reaches first base 30% out of 50 time he is at bat, about how many times will the player reach first base?

are these equivalent or not? 2.5(3+x) and 2.5x+7.5

Which sentence uses correct capitalization? A. In Winter, the sun sometimes sets as early as 4:30 p.m.! B. Fred wants to go to Ocean city or Virginia beach.