contestada

If the brakes on a 1,800 kg car cause it change velocity from 25
m/s to 0 m/s, what impulse did the brakes exert on the car?

Respuesta :

nuhulawal20

Given the mass of the car and the change in velocity, the impulse exerted on the car by the brakes is 45000kgm/s.

What is impulse?

Impulse is simply the product of force and time.

Using the formula of impulse.

Ft  = m( v - u )

Given the data in the question;

  • Mass of car m = 1800kg
  • Initial velocity v = 25m/s
  • Final velocity u = 0m/s

We substitute our values into the expression above.

Ft  = m( v - u )

Ft  = 1800kg( 25m/s - 0m/s )

Ft  = 1800kg × 25m/s

Ft = 45000kgm/s

Therefore, Given the mass of the car and the change in velocity, the impulse exerted on the car by the brakes is 45000kgm/s.

Learn more about impulse here: https://brainly.com/question/26877615

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