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3 years ago

Water shortages means.no no no links pls

Physics

1 answer:

Ann [662]3 years ago

3 0

Answer:

The lack of sufficient water resources, including a lack of access t safe water supplies, to meet water needs within a region.

Explanation:

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When we see a meteor shower, it means that ________.

Irina18 [472]

Answer:

option A

Explanation:

The meteor shower is the celestial activity in which meteors are observed to radiate or originate from one point.

Meteors are nothing but dust or ice from the trails of comets. Most of the meteors are less than the size of the sand particle.

We will see comet shower when we earth will cross the orbit of the comet.

Hence, the correct answer is option A

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4 years ago

Which are benefits of using nuclear power plants to generate electricity? Check all that apply.

lesya [120]

Below are the benefits of using nuclear power plants to generate electricity:

Nuclear power plants use simple power plant designs not vulnerable to human error or natural disasters.

Nuclear power plants use renewable fuel.

Nuclear power plants produce a large amount of energy for a small mass of fuel. Nuclear power plants produce no toxic waste products.

- The outflows of nursery gasses and in this manner the commitment of atomic power plants to an Earth-wide temperature boost is accordingly moderately little. The era of power through atomic vitality lessens the measure of vitality produced from non-renewable energy sources (coal and oil). Less utilization of petroleum products implies bringing down ozone-depleting substance outflows (CO2 and others).

3 0

3 years ago

Read 2 more answers

17. If ice has a density of 0.92g/cm?, what is the mass of a 30 cm block? I

arsen [322]

Answer:

Mass = 27.6 grams

Explanation:

Given the following data;

Density of ice = 0.92g/cm³

Volume = 30cm³

To find mass of ice;

Density can be defined as mass all over the volume of an object.

Simply stated, density is mass per unit volume of an object.

Mathematically, density is given by the equation;

$Density = \frac{mass}{volume}$

Making mass the subject of formula, we have;

$Mass = density * volume$

$Mass = 0.92 * 30$

Mass = 27.6 grams

Therefore, the mass of ice is 27.6 grams.

3 0

3 years ago

An airplane is cruising at a speed of 250 m/s. If the airplanes engines provide a forward force of 19,540 N, calculate the force

ExtremeBDS [4]

250/300 dived by 500

3 0

3 years ago

A 77.0 kg woman slides down a 42.6 m long waterslide inclined at 42.3. at the bottom, she is moving 20.3 m/s.how much work did f

svlad2 [7]

Answer:

W = 21409.2 J

Explanation:

Given,

The mass of the woman, m = 77 Kg

The length of the water slide, S = 42.6 m

The inclination of the water slide, ∅ = 42.3

The constant velocity of the women sliding, 20.3 m/s

The kinetic friction of the sliding force is given by the formula

Fₓ = μₓ η

Where,

μₓ - coefficient of kinetic friction

η - normal force acting on the body

Since the water slide is inclined at an angle and the person is sliding with constant velocity. The coefficient of friction becomes,

μₓ = tan∅

And, η = mg cos∅

Therefore, the kinetic friction force becomes

Fₓ = tan∅ mg cos∅

Substituting the given values in the above equation

Fₓ = 0.9 x 77 x 9.8 x 0,74

= 502.56 N

The work done by the kinetic friction on the person

W = Fₓ · S

= 502.56 N x 42.6 m

= 21409.2 J

Hence, the work done by the friction on the woman is, W = 21409.2 J

8 0

3 years ago

Water shortages means.no no no links pls ​

Water shortages means.no no no links pls