PHYSICS HIGH SCHOOL

Generators need a source of energy to produce electricity. Which form of energy is a nonrenewable source of energy?hydro (water) energy

geothermal energy

fossil fuel

wind energy

Answers

Answer 1
Answer: Non-renewable energy are the form of energy whose source cannot be recycled and are limited in numbers. Out of all the options, only fossil fuel is Non-renewable otherwise all of them are renewable and can be recycled.

In short, Your Answer would be Option C) Fossil Fuel

Hope this helps!
Answer 2
Answer: Your Answer Would Be Fossil Fuel. All Of The Rest Are Renewavle. Hope This Helps!

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How did the lab activities help you answer the lesson question: How do environmental changes affect both living and nonliving things in a watershed? What conclusions can you make based on your observations?​

Answers

Answer:

In the lab activity, I used a virtual watershed to demonstrate how pollutants enter and flow through the watershed. I constructed food chains to show how biotic factors are related. I also predicted and modeled how human activity affected the biotic factors in an ecosystem. Based on my observations, I can conclude that biotic and abiotic factors are closely linked and that human activity that changes the environment, like pollution, can affect all the other parts of an ecosystem in a negative way.

Answer:

In the lab activity, I used a virtual watershed to demonstrate how pollutants enter and flow through the watershed. I constructed food chains to show how biotic factors are related. I also predicted and modeled how human activity affected the biotic factors in an ecosystem. Based on my observations, I can conclude that biotic and abiotic factors are closely linked and that human activity that changes the environment, like pollution, can affect all the other parts of an ecosystem in a negative way.

Explanation:

An incandescent light bulb produces light when electrons flow through thea. air.
b. glass.
c. filament.
d. vacuum.

Answers

Electriccurrent passes through a filament of an incandescent bulb, thereby increasingit temperature. When current flows, it contains electrons through the filamentto produce light. The answer is c. Typically, incandescent light bulb consistsof a glass enclosure that contains tungsten filament. The glass enclosure containseither a vacuum or an inert gas that serves as the filament protection fromevaporating. Incandescent light bulbs contain a stem attached at to its base toallow the electrical contacts to run through the envelope without gas or airleaks

Answer:filament

Explanation:

You have a 90 W electrical appliance that is on 24 hours per day. At $0.51 per kWh, how much are you paying daily for electricity to operate this appliance?Show your calculations here:

Answers


90 watts = 0.09 KW

Energy = (power) x (time) =
                  (0.09) x (24) KWh

Cost = (energy) x (unit price) =
           (0.09 x 24) x ($0.51) = $1.10 per day (rounded)

(Those are very expensive kWh's.)

A stone is dropped from a tower 100 meters above the ground. The stone falls past ground level and into a well. It hits the water at the bottom of the well 5.00 seconds after being dropped from the tower. Calculate the depth of the well. Given: g = -9.81 meters/second2.

Answers


The distance that an object falls from rest in ' T ' seconds is

           Distance  =  (1/2) (gravity) ( T² )

In this question,

           Distance  =  (1/2) (9.81 m/s²) (5.00 s)²

                         =      (4.905 m/s²) (25.0 s²)

                         =      (4.905 x 25)  m

                         =           122.63 meters .

The first 100 meters of fall was from the tower to ground level,   
so the distance into the well must be the remaining  22.63 meters.

Answer:

22.5 meters

Explanation:

You and your friends decide that it would be fun to push a rusty old mining cart down a track. If you push it at 3.1 m/s and friction causes it to accelerate at -0.3 m/s², how long will it roll before it stops?

Answers