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 :

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

How long does it take to travel 360 km at a constant speed of 12 km/h? Question 5 options: 15 hours 30 hours 360 hours 90 hours

Complete the passage to describe sexual reproduction. Sexual reproduction involves sex cells. The female reproductive cell is a(an) [] and the male reproductive

Which contains more molecules? 10.0 g of CO2 or 5.60L of oxygen gas at STP

hellllllllllllppppppp

BRAINLIEST GOES TO THE CORRECT ANSWER

help with science plsss

Select the correct answer from each drop-down menu. What are the key features of function f? F(x)=logx Function f crosses the x-axis at . As x increases, the f

Right answer gets brainlist

Which civilization influenced Rome with their artistic abilities, sporting events, and agricultural practices. Etruscans The Greeks Plebeians Patricians

Name the following lonic Compounds using the lonic naming rules. Remember, place the metal's name first, followed by the non-metal element, replacing the ending