A22.0-kg body is moving in the direction of the positive x axis with a speed of 202 m/s when, owing to an internal explosion, it breaks into three pieces. one part, whose mass is 9.5 kg, moves away from the point of explosion with a speed of 314 m/s along the positive y axis. a second fragment, whose mass is 4.5 kg, moves away from the point of explosion with a speed of 422 m/s along the negative x axis. what is the speed of the third fragment? ignore effects due to gravity.

Explanation:

given,

mass of body = 22 kg

velocity in positive x-axis direction = 202 m/s

mass of one part = 9.5 kg

velocity in y-axis = 314 m/s

mass of second fragment = 4.5 kg

speed of second fragment in negative x - axis = 422 m/s

speed of the third = ?

mass of third fragment

     m_3 = 22-9.5-4.5

     m_3 = 8 kg

in x- direction

in y direction

now,

speed of the third fragment is equal to

it was given as a lesson and guide for prayer.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2