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tresset_1 [31]
2 years ago
6

A wooden cube with the mass of 1kg is placed on a frictionless plane that makes an angle of 30° with the floor.

Physics
1 answer:
Anni [7]2 years ago
8 0

Answer:

I dont know

Explanation:

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What is energy? Where does it come from? What does it do? Explain in 5 or more sentences please! :)
Vlada [557]

Answer:

Energy is defined as the ability to do work. Forms of energy could be kinetic energy or potential energy. Thermal or heat energy can originate from a hot object such as the sun. Energy is used to produce work. Electrical energy for lighting purposes and heating in homes and factories.

Explanation:

Energy is defined as the ability to do work and can be in various forms such as kinetic energy, potential energy, thermal, chemical, electrical energy etc.

Energy origination depends on the type of energy form in discussion. Thermal or heat energy can originate from a hot object such as the sun or an iron box, chemical energy originates from the interaction of atoms and molecules and electrical energy can be initiated by movements of electrons.

Energy is used to produce work. Different forms of energy can do different tasks such as;

Heat energy for heating water

Electrical energy for lighting purposes

Geothermal energy for producing heat and electricity

Nuclear energy for production of nuclear power

Chemical energy for facilitating chemical reactions

4 0
3 years ago
While operating a vehicle on any highway of this state, it is illegal to physically hold or support a wireless device with any p
algol13

Answer:

True

Explanation:

In Massachusetts it's illegal to drive while texting or on your phone.

3 0
3 years ago
Rohith has been jogging to the bus stop for 2.0 minutes at 3.5 m/s when he looks at
nikdorinn [45]
Multiply these numbers and there’s your answer
6 0
3 years ago
You take your pulse and observe 80 heartbeats in a minute. What is the period of your heartbeat? What is the frequency of your h
Mama L [17]

Answer:

120 beats per minute.

Explanation:

6 0
3 years ago
Read 2 more answers
If the electron is initially in the ground level, E1=0.625E[infinity]E1=0.625E[infinity], and absorbs a photon, what maximum wav
tekilochka [14]

Answer:

 λ = 3.1824 10-25 m

Explanation:

To release the electron from the power well the absorbed photon electro must be greater than or equal to the energy of the electron in the power well

           

The photon energy is E_photon = 0.625 J

The speed of light is

       c = λ f

         

Let's use Planck's equation

        E = h f

             

We substitute

       E = h c / λ

        λ = h c / E

        λ = 6.63 10-34 3 108 / 0.625

         λ = 3.1824 10-25 m

4 0
3 years ago
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