Answer:
Velocity of bear (v) = 20 m/s
Step-by-step explanation:
Given:
Mass of bear (m) = 500 kg
Mechanical kinetic energy (K.E) = 100,000 J
Find:
Velocity of bear (v) = ?
Computation:
Mechanical kinetic energy (K.E) = 1/2(m)(v)²
100,000 = 1/2(500)(v)²
200,000 = 500(v)²
400 = (v)²
Velocity of bear (v) = 20 m/s