Answer:
I agree, because the two lines have an identical slope.
Step-by-step explanation:
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10n² + n - 3
Factorization is: ( 5n + 3)(2n - 1)
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y-3-(-12)≥0
y ≥ -9
y + 9.000 ≥ 0
y ≥ -9
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Explanation:
Mass of boy = 40 kg
Mass of box = 20 kg
Total mass = 60 kg
Initial potential energy = 0 (since height would be 0 initially)
Final potential energy = mgh
Taking g as 10 m/s²,
=> 60 × 10 × 15
= 9,000 J
So, work done = final potential energy - initial potential energy
= 9,000 J
Power = Work/Time
=> Power = 9000/25
=> Power = 360 J/s
or 360 watt.
Answer:
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