moracrista072 moracrista072
  • 04-07-2020
  • Physics
contestada

A car has a mass of 8000 kg and a kinetic energy of 24,000 J. What is its
speed?
A. 1.7 m/s
B. 2.4 m/s
C. 6 m/s
D. 3 m/s

Respuesta :

xaceleem
xaceleem xaceleem
  • 04-07-2020

Answer:

2.4

Explanation:

48,000/8000=6

square root of 6 = 2.44948974278

so 2.4

Ver imagen xaceleem
Answer Link
senalfernando111
senalfernando111 senalfernando111
  • 04-07-2020

AnswerB.2.4m/s

Explanations;

24000=1/2×8000×v^2

24000/4000=v^2

√ 6.=v

v=2.4

Answer Link

Otras preguntas

Tickets to a basketball game cost $4.25. Sixty tickets have already been sold. How many more tickets x must be sold to earn at least $340? Write your answer as
You are going on a road trip! You drive to your best friend's house and then get on the highway. After 2.5 hours, you had traveled a total of 135 miles. You c
solve for y in 7y - 3/4 = -1/4y - 1/3
Which heading best completes the partial outline below? 1.Articles of Confederation 2.Constitutional Compromises 3.Jeffersonian Democracy 4.Unwritten Consti
True or false? The Health Insurance and Portability Accountability Act (HIPAA) does not require the patient to sign a release of information form before his or
a discount voucher offering 15% off is used to pay a bill. after using the voucher the bill is reduced to 36.72. how much was the bill before applying the vouch
A line passes through the points (1, 2) and (4, 4). What is the slope of the line? A) 1 /4 B) 2 /3 C) 3/ 2 D) 4
I need help plz explain
Which of the following reasons best describes why did number of Jim Crowe laws increased in the south in the last decade of the 1800s
what do all equations have in common that causes them to have zero as a solution?