Answer:
B is the answer for the question
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Answer: 981 Pa
Explanation:
1) Data:
m = 60 kg
S = 6000 cm²
P = ?
2) Formulas
i) F = peso = mg
ii) P = F / S
3) Solution
i) F = 60kg × 9.81 m/s² = 588.6 N
ii) P = F / S
First, convert 6000 cm² to m²: 6000 cm² × 1m² / (100cm)² = 0.6 m²
Now, plug in the values and do the operations: P = 588.6N / 0.6m² = 981 Pa
Answer: well the time it takes to fall 100m is the same time it takes to travel 65m horizontally.
The time to fall vertically, t is sqrt(2d/g). [this comes from d = 1/2at^2]
so t = sqrt(2*100/9.8) = 4.52s.
The vertical speed at that time is g*t = 9.8*4.52 = 44.3m/s
The horizontal speed is the horizontal distance over the same 4.52s, = 65/4.52 = 14.4m/s.
so the final velocity is = sqrt(44.3^2 + 14.4^2) = 46.6m/s
Explanation: yes