Q.15. An object of mass m, = 2 kg moving with an initial speed v = 6 m/s col- %3D %3D lides with a second object of mass m2 = 4 kg moving with an initial speed v2 = 9 m/s as shown in the adjacent figure. The two masses continue their motion as one body with a speed Vr that makes an angle 0 with the x-axis. The y-component of the final velocity is:

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Q.15. An object of mass m, = 2 kg moving with an initial speed vị = 6 m/s col-
%3D
lides with a second object of mass m2 = 4 kg moving with an initial speed
%3D
v2 = 9 m/s as shown in the adjacent figure. The two masses continue their motion
as one body with a speed V, that makes an angle 0 with the x-axis.
The y-component of the final velocity is:
a. Vr, = 4.05 m/s
v-6 m/s
m+m;
b. V, = 0 m/s
%3D
c. Vr, = 2.324 m/s
50
= -1.136 m/s
d. Vfy
%3D
40°
m) v-9 m/s
Transcribed Image Text:Q.15. An object of mass m, = 2 kg moving with an initial speed vị = 6 m/s col- %3D lides with a second object of mass m2 = 4 kg moving with an initial speed %3D v2 = 9 m/s as shown in the adjacent figure. The two masses continue their motion as one body with a speed V, that makes an angle 0 with the x-axis. The y-component of the final velocity is: a. Vr, = 4.05 m/s v-6 m/s m+m; b. V, = 0 m/s %3D c. Vr, = 2.324 m/s 50 = -1.136 m/s d. Vfy %3D 40° m) v-9 m/s
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