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

5) (5x2 + 4) — (5 + 5x3)
what role in photosynthesis does chlorophyll play
Describe three ways in which science benefits society.
i did my 500 Indianapolis car race in 6.7 hours. To the nearest hundredth, what was the average speed of the car in miles× hr?
The process by which water diffuses from a region of greater concentration to a region of lesser concentration is called
What is bacteria bigwig
do mountains really grow?
Animals in the tundra struggle to find food and keep warm. a. True b. False
Which body of water is found to the east of Costa Rica? a. Pacific Ocean c. North Sea b. the Atlantic Ocean d. the Caribbean Sea
Identify the infinitive phrase and the subject of the infinitive in the sentence below. To do one's best is the ultimate goal.