Answer:
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Explanation:
Answer:
C: the total energy is conserved
Explanation:
In a closed system they total mechanical energy is always conserved although energy may change from one form to another
Answer: This will be based on how much strength she put into the rock when throwing it
Explanation:
Answer:
92.1 meters
Explanation:
Given:
x₀ = 0 m
y = y₀ = 0 m
v₀ₓ = 31 cos 35° m/s
v₀ᵧ = 31 sin 35° m/s
aₓ = 0 m/s²
aᵧ = -9.8 m/s²
Find: x
First, we need to find the time:
y = y₀ + v₀ t + ½ at²
0 = 0 + (31 sin 35) t − 4.9 t²
t = 0 or (31 sin 35) / 4.9
Now find x:
x = x₀ + v₀ t + ½ at²
x = 0 + (31 cos 35°) (31 sin 35) / 4.9 + 0
x ≈ 92.1
The ball travels 92.1 meters.
Nitrogen is essential to life. It is a component of all proteins and can be found in all living organisms. Nitrogen in the atmosphere. <span>The molecules of nitrogen in the atmosphere can become usable for living things when they are broken apart during lightning strikes or fires, by certain types of bacteria, or by bacteria associated with bean plants.</span>