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DiKsa [7]
3 years ago
7

Water is returned from earth’s surface to the atmosphere by

Physics
1 answer:
Tems11 [23]3 years ago
4 0

Answer:

Evaporation

Explanation:

Evaporation is a form of mass tranfer phenomena where by water are moved from the earth surface into the atmosphere as vapours,it is path of the water cycle a decription of the path moved by land water until it turns into rain, humidity,air and temperature are factors that influence evaporation though evaporation can happen at all temperature

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Please solve the Problem.
STatiana [176]

(a) For series circuit, current in 14 ohms = current in 72 ohms = 0.698 A

(b) Power loss in each series resistor, 14 ohms = 6.82 W and 72 ohms = 35.1 W.

(c) For parallel circuit, current in 14 ohms = 4.29 A and current in 72 ohms = 0.83 A

(d) Power loss in each parallel resistor, 14 ohms = 257.4 W and 72 ohms = 49.8 W.

<h3>Current in each series resistors</h3>

The total resistance = R1 + R2

                              R = 14 + 72 = 86 ohms

Current = V/R = 60/86 = 0.698 A

Since the resistors are in series, current in 14 ohms = current in 72 ohms = 0.698 A

<h3>Power loss in each series resistor</h3>

P = I²R

P(14 ohms) = (0.698)² x 14 = 6.82 W

P(72 ohms) = (0.698)² x 72 = 35.1 W

<h3>Current in each resistor for parallel arrangement</h3>

Total resistance, 1/R = 1/R1 + 1/R2

1/R = 1/14 + 1/72

1/R = 0.0853

R = 1/0.0853

R = 11.72

Total current in the circuit = V/R = 60/11.72 = 5.12 A

Current in 14 ohms = 60/14 = 4.29 A

Current in 72 ohms = 60/72 = 0.83 A

<h3>Power loss in each parallel resistor</h3>

P = IV

P(14 ohms) = (4.29) x 60 = 257.4 W

P(72 ohms) = 0.83 x 60 = 49.8 W

Learn more about current here: brainly.com/question/24858512

#SPJ1

5 0
2 years ago
What is wrong about the picture below
Oliga [24]

what even is that ??

4 0
2 years ago
A 17.0 g piece of Styrofoam carries a net charge of −7.00 μC and floats above the center of a large horizontal sheet of plastic
GREYUIT [131]

Answer:

Explanation:

Given that,

Mass of styrofoam =17g=0.017kg

Net charge is q =−7.00 μC

Electric field of a sheet is given as

E = σ / 2εo

σ= charge density

εo= permittivity of free space =8.85×10^-12

Also electric field is given as

E=F/q

The force acting on the body is its weight which is given as

F=mg,

Where g=9.81

F=0.017×9.81

F=0.16677N.

Therefore,

E=F/q

E=0.16677 /- 7×10^-6

E=-23824.29N/C

Then,

E = σ / 2εo

Then, σ = E × 2εo

σ=-23824.29×2×8.85×10^-12

σ= - 4.22×10^-7C/m²

σ= -42.2×10^-6 C/m²

σ= -42.2 μC/m²

The charge density is -42.2 μC/m²

3 0
3 years ago
Billy is driving a bumper car for 5 minutes. In this time, Billy crashes into three other cars.
satela [25.4K]

Answer:Its empty car, small child, and then adult.

Explanation:

i took it

4 0
2 years ago
Read 2 more answers
An engine flywheel initially rotates counterclockwise at 5.03 rotations/s. Then, during 23.5 s, its rotation rate changes to 2.6
Sveta_85 [38]

Answer:

the flywheel's average angular acceleration is -2.05 rad/s²

Explanation:

<u>Note:</u> counterclockwise is positive

         clockwise is negative

Given;

initial angular velocity, \omega _i = 5.03 rev/s = 5.03\frac{rev}{s} \times \frac{2\pi \ rad}{1 \ rev} = 31.61 \ rad/s

final angular velocity, \omega_f= -2.63 rev/s = -2.63 \ \frac{rev}{s} \times \frac{2\pi \ rad}{1 \ rev} = -16.53 \ rad/s

duration of the flywheel rotation, Δt = 23.5 s

The average acceleration of the flywheel is calculated as;

a_r = \frac{\Delta \omega}{\Delta t} = \frac{\omega_f  - \omega _i}{t_2-t_1} = \frac{-16.53 \ - \ 31.61}{23.5} = -2.05 \ rad/s^2

Therefore, the flywheel's average angular acceleration is -2.05 rad/s²

5 0
3 years ago
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