The fastest growing plant on record is the Hesperoyucca whipplei. Suppose a plant of this type grows 3.7 m in 14 days. What is i
1 answer:
Answer:
Growth rate in micrometers per second is 3.05.
Given:
Growing length = 3.7 meter
Time = 14 days
To find:
Growth rate = ?
Formula used:
Growth rate =
Solution:
Growth rate =
Growing length = 3.7 × micrometer
Time = 14 × 24 × 60 × 60
Growth rate =
Growth rate = 3.05 micrometer per second
Growth rate in micrometers per second is 3.05.
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Answer:
A) K / K₀ = 4 b) v / v₀ = 4
Explanation:
A) For this exercise we can use the conservation of mechanical energy
in the problem it indicates that the displacement was doubled (x = 2xo)
starting point. At the position of maximum displacement
Em₀ = Ke = ½ k (2x₀)²
final point. In the equilibrium position
= K = ½ m v²
Em₀ = Em_{f}
½ k 4 x₀² = K
(½ K x₀²) = K₀
K = 4 K₀
K / K₀ = 4
B) the speed value
½ k 4 x₀² = ½ m v²
v = 4 (k / m) x₀
if we call
v₀ = k / m x₀
v = 4 v₀
v / v₀ = 4