171060332 171060332

02-04-2021
Physics

contestada

What is the mass of an object moving at a speed of 9.0 m/s with a kinetic energy of 200 J?

Group of answer choices

2.5 kg

4.9 kg

44 kg

1.2 kg

0.81 kg

Respuesta :

shaunahollland shaunahollland

02-04-2021

Ek= 1/2mv²
200=1/2 m(9 ²)
200=1/2(81)m
200=40.5m
m=200/40.5
m=4.93kg

Answer: 4.9 kg (second option)

Answer Link

Otras preguntas

Which equation represents the line that passes through the points (-1, 3) and (4, -2) ?

PLEASE HELP ASAP! 40 PTS! (C IS WRONG FOR QUESTION 1) QUESTION 1: The A in SMART goals stands for attainable. When thinking about attainable A. If it’s not poss

EEE What is the solution to the equation -3(h+5)+2 = 4(h+6)-9? Oh=-4 Oh = -2 Oh = 2 Oh= 4

Hello))))How u going?

2) How does Totalitarianism relate to World War 2?

I WILL WORSHIP U PLS WHATS THE ANSWER

Can Some one help fast easy question

What is the answer to this equation 4y+3y+2y=

I WILL GIVE BRAINLIEST

In a survey 125 people, 90 people liked orange juice or grape juice. There are 62 people who like orange juice and 43 people who like grape juice. What is the p