02popstar
02popstar 02popstar
  • 01-05-2022
  • Physics
contestada

What must have been the velocity of a 250 kg car that has 18000 J of energy?

Respuesta :

Аноним Аноним
  • 01-05-2022

Answer:

12 m/s

Explanation:

Given,

Kinetic energy ( K.E ) = 18000 J

Mass ( m ) = 250 kg

To find : Velocity ( v )

Formula : -

K.E = mv²/2

v² = 2 K.E / m

   = 2 x 18000 / 250

   = 2 x 72

   = 144

   = 12 x 12

v² = 12²

v = 12 m/s

Therefore,

the velocity of the car is 12 m/s

Answer Link

Otras preguntas

1. What structures will a blood cell pass through as it moves through the heart from the vena cava to the aortic valve?
-3(x - 1) + 8 (32 = 3) = x + 7
PLSSSSSS HELP ITS SOOO HARD BUT LOOKS SOOOO EASYYY
Which of the following events is not true of China’s modern history? Question 1 options: Mao’s Great Leap Forward plan to increase industry was a great success.
t hree of The vertices of rectangle EFH E (¬3,4) f(1,4) and G (1¬3​
how did king david and king solomon include judaism as a part of their rule​
Solve 2x – 6y = 4 for x. Question 8 options: A) x = 3y + 2 B) x = –3y + 2 C) x = 3y – 4 D) x = 6y – 2
Please help How can you describe the graph of the equation y = mx? Explain
Find the square root. V25
Please help me answer this, I don't get what I'm supposed to do TvT