Question

B. Solve the following numericals.
1. A ball of mass 400 g is thrown at a speed of 2 m/s. Determine its kinetic energy.
kinetic energy of 3600 J. Determine its​

Answer 1

Answer:

ans is 800j. ........

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Answer 2

Answer:

800j

Explanation:

K.E = ½ × 400g ×(2m/s)²

K.E =200g × 4m/s

K.E = 800J