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3 years ago

Describe different types of motion with examples. (4)

Physics

2 answers:

Illusion [34]3 years ago

8 0

Answer:

there r two types of motion, uniform and non-uniform

uniform means equal distance travelled at equal intervals of time

and non-uniform is exactly the opposite.

quantities which can be represented by magnitude along r called scalar quantities such as speed.

quantities which need magnitude along with direction r called vector quantities such as velocity.

velocity=10m/s

acceleration = u-v/s i.e initial final velocity - initial velocity upon time

acceleration= 0.2m/s sq

time= 30s

10 = displacement/time

10 = x/30

10 = 300

Answer is 300 meters - distance/displacement.

Mnenie [13.5K]3 years ago

8 0

Answer:

300 meters is correct

Explanation:

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The diagram is a real world example of the first and second laws of thermodynamics. It shows how thermal energy is used to gener

Dmitriy789 [7]

Answer:

First law: kinetic energy is used to turn an electric generator

Second law: some thermal energy is lost to the environment as it travels through the system

Explanation:

The first law of thermodynamics is known as the law of conservation of energy. It states that energy can neither be created nor destroyed but can only be transferred or changed from one form to another. When thermal energy is used to generate electricity, the kinetic energy of the steam is used to turn the electric generator (thereby producing electrical energy).

The second law of thermodynamics states that energy transfer or transformation leads to an increase in entropy resulting in the loss of energy. This law also states that as energy is transferred or transformed, some is lost in a form that is unusable. When thermal energy is used to generate electricity, some of the thermal energy is lost to the environment as it travels through the system.

7 0

3 years ago

Read 2 more answers

What defines the mass number of an isotope? A. the sum of the neutrons and protons B. the sum of the neutrons and electrons C. t

Crank

The sum of neutrons and protons defines the mass number of an isotope.

Answer: Option A

<u>Explanation:</u>

Isotopes of an element are defined as an element that possess the same number of protons but different number of neutrons in each atom. Hence the mass number in an isotope depends upon the two sub particles which are number of nucleons (i.e) the number of protons and neutrons. For example: carbon - 12 and carbon - 13 are examples of isotopes, the carbon element with mass number as 12 and 13.

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3 years ago

Can please anybody help me my H.W to fill in the blanks

kozerog [31]

<h3>The correct answers would be:</h3>

1. Metallic ; Nonmetallic

2. Radioisotope

3. Boils

4. Endothermic

5. Kinetic

6. Alpha Particles

7. Highest