kewang497 kewang497

17-08-2021
Physics

contestada

A blue train of mass 50 kg moves at 4 m/s toward a green train of 30 kg initially at rest. The trains collide. After the collision the green train moves with a speed of 3 m/s. What is the final speed of the blue train?

Respuesta :

nurariana08 nurariana08

17-08-2021

Explaination :

Momentum = mass x speed

p = (30 kg) (3 m/s)

p = 90 kg m/s

Answer Link

Otras preguntas

If the cost of 12 pens is Rs.108, then what is the cost of 5 pens!!! -Please write the full solution!

What is Napoleon's tutor's name? Why did Napoleon remember his tutor's name all his life? Please help me with this question.

What is the diameter of a 2m circle?

Write a dębate against the golionboys should not work in the kitchen

No you can't see this question

floods in mamelodi have a negative impact on the environment please explain

13. Find the measure of arc JK. J I K 70° L

Ia-5I=5-a i need the anwser asap so pls try to be quick the I's are like the absolute value sign.

Kathy purchased a $2,000 digital TV from Young's Appliances. She will make 12 equal payments over the next year to pay for it. She is using: A. closed-end cred

a practice field is 250 ft long the game is 40% longer than the practice field of how long is the game