A ball of mass 400g is thrown at a speed of 2m/s .What is its kinetic energy
Answers
Answered by
0
Answer:
1600J
Explanation:
K.E= mv^2= 400 ✖ (2)*2 = 400 ⚔ 4 = 1600 joules
Answered by
2
Answer:
Answer
Explanation:
KE = 1/2×m×v^2
m = 400g
v = 2m/s
therefore KE = 1/2×400×4
= 800J
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