Answer:
rate of infusion is 900 mL/hr
Explanation:
given data
Infuse I1 = 1000 mL
delivers = 15 gtt/mL
Infuse I2 = 300 mL
time t= 20 min
rate = 60 mL/hr
to find out
rate of infusion
solution
we know here we give 300 mL infuse in 20 min
so here for 20 min
rate of infusion is express as
rate of infusion = I2 / t
rate of infusion = 300 / 20
rate of infusion = 15 mL / min
rate of infusion = 15 × 60 = 900
so rate of infusion is 900 mL/hr
Answer:
<em>1.228 x </em><em> mm </em>
<em></em>
Explanation:
diameter of aluminium bar D = 40 mm
diameter of hole d = 30 mm
compressive Load F = 180 kN = 180 x N
modulus of elasticity E = 85 GN/m^2 = 85 x Pa
length of bar L = 600 mm
length of hole = 100 mm
true length of bar = 600 - 100 = 500 mm
area of the bar A = = = 1256.8 mm^2
area of hole a = = = 549.85 mm^2
Total contraction of the bar =
total contraction =
==> = <em>1.228 x </em><em> mm </em>
The value of the current in each arm of the circuit is given by Kirchhoff's
Rules.
- The correct option for (I₁, I₂) is; b-.
Reasons:
By Kirchhoff's junction rule, we have that the sum of current at a junction is given as follows;
Which by the direction of the currents in the given circuit diagram, we have;
Therefore;
I₁ = I₃ + I₂
According to Kirchhoff's loop rule theory, we have;
In the loop having the 2 Volts emf., we have;
-I₃·R₁ + 2 + I₂·R₂ = 0
I₃ = 1.17 A
R₁ = 2 Ω
R₂ = 2 Ω
Which gives;
-1.17 × 2 + 2 + I₂×2 = 0
I₂ × 2 = 2.34 - 2 = 0.34
I₂ = 0.34 ÷ 2 = 0.17
I₂ = 0.17 A
From the loop having the 7 Volts emf. we have;
7 - 0.17×2 - I₁ × 4 - I₁ × 1 = 0
Which gives;
7 - 0.34 - 5·I₁ = 0
5·I₁ = 7 - 0.34 = 6.66
I₁ = 6.66 ÷ 5 = 1.332
Therefore;
Learn more about electric circuits here:
brainly.com/question/2608877
Answer:
The speed of the catapult arm needs to be increased.
Explanation:
If the height needs to stay the same, they can not change the length of the catapult arm because this is the variable that determines the height of the thrown object. To change the horizontal distance the object travels, in other words the object's speed, the rope or counterweigth that pulls the catapult arm can be changed to increase the speed that the object is thrown.
I hope this answer helps.
Answer:
Explanation:
The density at a point is proportional to its distance from the x axis
Writing equation in polar form
and
where k is proportionality constant
Total mass ig given by
m=72k
Also
Similarly
Centre of mass co-ordinates is