bikesh9807711235 bikesh9807711235

01-06-2021
Physics

contestada

. A stationary mass explodes into two parts of mass 4 kg and 40 kg . If the K.E of larger mass is 100 J . The K.E of small mass will be

Respuesta :

machmillerg machmillerg

01-06-2021

Answer:

10J

Explanation:

KE = (1/2)mv²

100J = (.5)(40kg)v²

v²=(100J)/(20kg)

v²= 5

KE = 5(.5)(4kg)

KE = 10J

Answer Link

Otras preguntas

Solve for X in the triangle. Answer choices √89 √39 √26

{5x=7y {x+7y=21 pls help i dnt understand this...

a helicopter is flying at 150mph on a course with a bearing of 130°. If the helicopter experiences a crosswind blowing southeast at 25 mph, find the resultant s

Read the passage. An unidentified object was reported twenty miles west of Phoenix, Arizona. An observer saw the object fall from the sky in what he called "a

Solve –3x = 36 for x. A. x = 9 B. x = 12 C. x = –12 D. x = –9

Why do equivalent ratios form a straight line when graphed?

A certain amusement park sells half-day passes and all-day passes. The amusement park charges $40 for a half-day pass and $80 for an all-day pass. The amusement

Elige la opción correcta para expresar una obligación y completa el diálogo. —¿Quieres venir al cine esta noche? —No puedo, __________ estudiar para mi examen d

a line that passes through two points on a plane.

linda planned to spend 9 hours practicing the piano this week. by tus