Answer:
44 m/s
Step-by-step explanation:
The formula for kinetic energy is K.E. = 1/2 mv², where m is the mass and v is the velocity. Let's plug in the given values to find v:
121 = 1/2 (0.125) (v²)
121 = 0.0625 v²
Isolate v :
v² = 121 / 0.0625 = 1936
v = √1936 = 44