please give me the answer of these 2 questions
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1)
m = 100g = 0.1 kg
v = 200 m/s
K.E. = (mv²)/2
K.E. = (0.1 kg × (200 m/s)²)/2
K.E. = 2,000 J.
2)
m = 60 kg
K.E. = 750 J
v = √(2K.E./m)
v = √(2 × 750 J / 60 kg)
v = 5 m/s.
m = 100g = 0.1 kg
v = 200 m/s
K.E. = (mv²)/2
K.E. = (0.1 kg × (200 m/s)²)/2
K.E. = 2,000 J.
2)
m = 60 kg
K.E. = 750 J
v = √(2K.E./m)
v = √(2 × 750 J / 60 kg)
v = 5 m/s.
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