Goodie morning—————————what is nitric acid?
2 answers:
You might be interested in
The angle of the ladder inclined with respect to the horizontal after being moved a distance of 0.82 m closer to the building is 53.84°
cos θ = Adjacent side / Hypotenuse
θ = 47°
Hypotenuse = Length of ladder = 8.5 m
cos 47° = Adjacent side / 8.5
Adjacent side = Initial distance of base of ladder from the building = 5.8 m
Adjacent side 2 = Final distance of base of ladder from the building
Adjacent side 2 = 5.8 - 0.82 = 4.98 m
cos θ = Adjacent side 2 / Hypotenuse
cos θ = 4.98 / 8.5 = 0.59
θ =
( 0.59 )
θ = 53.84°
The formula used above is one of trigonometric ratios. Trigonometric ratios can used only in a right angled triangle where one of the angles in at 90 degrees and the other two angles are less than 90 degrees.
Therefore, the angle of the ladder inclined with respect to the horizontal after being moved is 53.84°
To know more about trigonometric ratios
#SPJ1
The velocity of the rollercoaster going down the hill is equal to 5.270 m/s.
<u>Given the following data:</u>
- Mass of rollercoaster = 1,800 kilograms.
- Kinetic energy =25,000 Joules.
To calculate the velocity of the rollercoaster going down the hill:
<h3>Formula for kinetic energy.</h3>Mathematically, kinetic energy is calculated by using the formula;
<u>Where:</u>
- K.E is the kinetic energy.
- M is the mass of an object.
- V is the velocity of an object.
Making V the subject of formula, we have:
Substituting the given parameters into the formula, we have;
Velocity, V = 5.270 m/s
Read more on kinetic energy here: brainly.com/question/17081653