Question 43 options:

12.4 m/s

3.52 m/s

0 m/s

6.2 m/s

12.4 m/s

3.52 m/s

0 m/s

6.2 m/s

Asked
1 year ago

Viewed
576206 times

Answer: 3.52m/s

Explanation:

Kinetic energy is calculated as:

= 1/2mv²

where,

m = mass

v = velocity

Therefore,

775 = 1/2 × 125 × v²

775 = 62.5v²

v² = 775/62.5

v² = 12.4

v = ✓12.4

v = 3.52m/s

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