asha2595 asha2595

11-02-2022
Physics

contestada

A 5 kg toy truck moves to 2 m/s east , it colllides head-on with a2kg toy car moving 5 m/s moving west . What is the total momentum of the system?

A) kgm/s 30
B) kgm/s 0
C) kgm/s -20
D) non of it

Respuesta :

indrawboy indrawboy

11-02-2022

Momentum

eastward = +

westward = -

[tex]\tt P_A=5\times 2=10~kg.m/s\\\\P_B=2\times 5=-10~kg.m/s[/tex]

total momentum:

[tex]\tt P_A+P_B=10-10=0~kg.m/s[/tex]

Answer Link

Otras preguntas

what is a complex set of responses

What is the value of the expression? (–2)5

american colonists were unlike people in most colonies and nations because of what reason?

Can I Just get the work for s=-16t^2+45t+400 I know the answer is 5.211 but idk how they got it

the baby elephant weighs 435 pounds. what is its weight rounded to the nearest hundred pounds?

If a is an integer, which of the following could be a4 ? A. 1.6 X 10^11 B. 1.6 X 10^12 C. 1.6 X 10^13 D. 1.6 X 10^14 E. 1.6 X 10^15

There are five types of grains of sand: very coarse, coarse, medium, fine, and very fine. A grain of fine sand can have a diameter of 0.125 millimeters. Which n

How to solve. -3(4r-8)= -36

Is hug a indirect object or direct?

Divide. Simplify your answer and write it as a proper fraction or as a whole or mixed number.1/8 ÷-1/4