the fastest plants are Bunchberry flowers
Answer:
Option A
A blank is measured to remove the signal caused by the cuvette walls and solvent
Explanation:
Spectrophotometer is an instrument for measuring the absorbance or transmittance of the liquid in terms of wave function. The blank solutions is used for calibration of spectrophotometer while the cuvette is the container where the liquid sample is taken in the spectrophotometer. The absorbance of blank solution is known as zero hence the name blank solution. Normally, a blank is is measured to eliminate signal caused by cuvette walls on solvent and results into the formation of solute peaks in the spectra.
Answer:
<h2>After 3.06seconds</h2>
Explanation:
Given that the following data are
acceleration a= 3,2m/s^2
distance s=15m,
time t=?
Applying the formula for the equation of motion we have
s=ut+1/2at^2
we no initial velocity (u=0)
substituting our given values into the expression we have
15=0*t+1/2(3.2)t^2
15=1/2(3.2)t^2
15=3.2t^2/2
30=3.2t^2
t^2=30/3.2
t^2=9.375
Squaring both sides we have
t=√9.375
t=3.06seconds
<em>It will take the sled 3.06 seconds to get to the bottom</em>
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Explanation:
3.5 Newton of force is needed to accelerate 140g of ball at 25 m/s^2 using the formula f=ma
Change 140g to kg