genaro19 genaro19
  • 04-01-2019
  • Physics
contestada

A car of mass 2400kg moving at 20 m/s slams into a cement wall and comes to a halt?

Respuesta :

AL2006
AL2006 AL2006
  • 04-01-2019

Impulse = change in momentum

The car's momentum was (mass) x (speed)

Momentum = (2400 kg) x (20 m/s)

Momentum = 48,000 km-m/s

To completely stop the car, the impulse = -48,000 km-m/s .

Answer Link

Otras preguntas

what is the color code of desert
I am a number that is four times the product of 2 and 3. One of my factors is 4. What is my other factor?
A(n) _____ forecasts the sales, expenses, and net income for the firm in some future time period.
6 [ 4 × ( 72 - 63 ) ÷ 3 ]
how did the akkadian empire form
In a parallel circuit, the voltage is _______ across all branches
The most common procedures today on the digestive system are the gastric bypass and the lap- band. There has been some controversy over the dangers of these pro
A short story that clearly illustrates a lesson and usually includes an animal as the main character is___________.
Which word in the sentence is a predicate nominative? Franklin d. Roosevelt was the only president of the United States to serve three terms. a. president b. on
Determine whether the following pairs of lines are parallel,perpendicular,or neither. y=2x+1 2x+y=7