Work = (500N)(15m)=7500J Power= (7500J)/(20s) =375 W
Hopefully this helps
Equal to 50
law of reflection: angle of incidence equals angle of reflection
Answer:
120 m/s
Explanation:
Given:
v₀ = 0 m/s
a = 12 m/s²
t = 10 s
Find: v
v = at + v₀
v = (12 m/s²) (10 s) + 0 m/s
v = 120 m/s
Air pressure decreases as altitude increases. this is because air pressure is caused by the gravity of earth, the gravity pulls on the air, compacting it and making a pressure.
But as we go higher, gravity decreases, causing less pull on the air resulting in less air pressure.<span />
Sweat is slightly acidic which helps to protect the body.
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