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

To the nearest inch, what is the length of the springboard?
What is the diameter? A. 5 mm B. 10 mm C. 20 mm D. 100 mm
How did western nations and japan acquire spheres of influence in china?
A projectile that was launched straight up from the ground with an initial velocity of 48 ft/s returned to the ground after 3 s. The height of the projectile t
The ratio of blue marbles to white marbles in Simrans bag is equal to 1 to 2. If there are 20 blue marbles, how many white marbles are there?
When driving in heavy rain, or on a flooded road, your tires can ride on a thin film of water like skis;?
A parallelogram has a height of 4 cm in an area of 32 square centimeters what is the measurement of the base of the parallelogram
Given ​ f(x)=x2+8x+13 ​. Enter the quadratic function in vertex form in the box. f(x)=
In balancing a chemical equation why can you change the coefficients but not the subscripts
(3,0) is a point on the ellipse