There is synthesis
decomposition
double displacement
single displacement
combustion
metathesis
so i guess you could say 6
Answer: (a). Resistance = 0.4286ohms and Current (I) = 7A
(b). Resistance (R) = 0.027 ohms and Current (I) = 111.1A
(c). Resistance (R) = 0.1071 ohms and Current (I) = 28A
Explanation:
From the question, given that;
ρ = 1.5*10-2ῼ.m
Lo = 7cm = 0.07m
V = 3V
From the formula R = ρL/A, where A is the area of cross section, L is the length of material and ρ is the resistivity.
(A)
L = 4Lo and A = 2Lo*Lo
R = ρL/A
R = ρ4Lo/(2Lo*Lo)
R = 2ρ /Lo = 2*1.5*10-2/0.07
R = 0.4286 ῼ
From this the current becomes;
I = V/R = 3/ 0.4286 = 6.99 = 7A
(B)
L = Lo and A = 4Lo * 2Lo
R = ρL/A
R = ρLo/ (4Lo*2Lo) after eliminating Lo from both sides we get,
R = ρ/8Lo = 1.5*10-2 / 8*0.07
R = 0.027
Current (I) = V/R = 3/0.027 = 111.1A
(C)
L = 2Lo and A = Lo * 4Lo
R = ρL/A
R = ρ2Lo/ (Lo*4Lo) eliminating Lo from both sides we get,
R = ρ/2Lo = 1.5*10-2 / 2*0.07 = 0.1071
The current becomes;
I = V/R = 3/0.1071 = 28A
Answer: <u>In a divergent plate boundary</u>, seafloor spreading taking place. It leads to the formation of oceans as new materials are added here along the mid-oceanic ridge. There occur volcanism and shallow-focus earthquakes.
<u>In a convergent plate boundary</u>, two plates collide to form high mountain belts and also volcanic eruptions take place. There occur long chains of volcanic as well as island arcs, in association with deep-focus earthquakes.
<u>In a transform plate boundary</u>, two plates slide past each other, conserving the plates. Shallow-focus earthquakes are generated here.
The earth has experienced various geological processes, such as weathering and erosion of rocks, earthquakes, volcanic eruptions, mass extinction events, plate tectonic movements and many more. These continuous processes have configured the present shape of the earth's surface.
For example, the breaking up of the supercontinent Pangea divided into Laurasia and Gondwanaland and subsequently formed the present scenario. This separation of continents has taken place due to the convection current that generates in the mantle.
Answer:
a. Wavelength = λ = 20 cm
b. Next distance of maximum intensity will be 40 cm
Explanation:
a. The distance between the two speakers is 20cm. SInce the intensity is maximum which refers that we have constructive interference and the phase difference must be an even multiple of π and equivalent path difference is nλ.
Now when distance increases upto 30 cm between the speakers, the sound intensity becomes zero which means that there is destructive interference and equivalent path is now increased from nλ to nλ + λ/2.
This we get the equation:
(nλ + λ/2) - nλ = 30-20
λ/2 = 10
λ = 20 cm
b. at what distance, sound intensity will be maximum again.
For next point calculation for maximum sound intensity, the path difference must be increased (n+1) λ. The distance must increase by λ/2 from the point of zero intensity.
= 30 + λ/2
= 30 + 20/2
=30+10
=40 cm
The horizontal force applied is 160 N while the velocity is 2.03 m/s.
<h3>What is the speed of the car?</h3>
The work done by the car is obtained as the product of the force and the distance;
W = F x
F = ?
x = 30.0 m
W = 4,800 J
F = 4,800 J/30.0 m
F = 160 N
But F = ma
a = F/m
a = 160 N/2.30 ✕ 10^3-kg
a= 0.069 m/s
Now;
v^2 = u^2 + 2as
u = 0/ms because the car started from rest
v = √2as
v = √2 * 0.069 * 30
v = 2.03 m/s
Learn more about force and work:brainly.com/question/758238
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