A 10kg mass initially at rest explodes into three pieces. A 4.5kg piece goes north at 20 m/s and a 2.0kg piece moves eastward at 60 m.s. what is the speed of the third piece?
a. 80.0 m/s
b. 25.7 m/s
c. 42.9 m/s
d. 60.0 m/s
e. 34.3 m/s
A 10kg mass initially at rest explodes into three pieces. A 4.5kg piece goes north at...
A 10kg mass initially at rest explodes into three pieces. A 4.5kg piece goes north at 20 m/s and a 2.0kg piece moves eastward at 60 m.s. A) Determine the magnitude and direction of the velocity of the third piece. B) Compare the final Kinetic Energy of the system to the original kinetic energy of the system.
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