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

Attracting electrons to form chemical bonds is called what

An infinitely long cylindrical insulating shell of inner radius a and outer radius b has a uniform volume charge density p. Determine the electric field everywh

What is the definitions of these words?!? Help please!

What is periodization?

Consider a disk of radius 4.9 cm with a uni- formly distributed charge of +5.6 (C. Compute the magnitude of the electric field at a point on the axis and 3 mm f

2.3 Code Practice: Question 2 Write a program that inputs the length of two pieces of fabric in feet and inches (as whole numbers) and prints the total. Enter t

What information would help a student make a good prediction about whether an object will float? A. knowing why some objects float B. measurements of othe

Which phrase describes bad dining etiquette? A. compartir la comida con los demás B. permanecer en la mesa hasta que todos acaben de comer C. no desper

What are the factors of production? Give an example of each?

example of man vs self