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padilas [110]
3 years ago
7

This chapter discusses that light sometimes acts like a photon. What is a photon?

Physics
1 answer:
Deffense [45]3 years ago
8 0

Answer:

c. a self-contained "packet" of electro-magnetic energy

Explanation:

Photon is a quantum of energy packet of electromagnetic radiation, it contains all the properties of electromagnetic radiation being the fundamental component of electromagnetic energy.  

It behaves like a wave when it propagates in a medium but transfers energy like a particle when collides with some other matter.

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mike shoots a large marble (Marble A, mass:0.05 kg) at a smaller marble (Marble B, mass: 0.03 kg) that is sitting still. Marble
mixas84 [53]

Explanation:

According to Conservation of Linear Momentum :

m_1u_1+m_2u_2=m_1v_1+m_2v_2

0.05 \times 0.6 + 0.03 \times 0 = 0.05 \times  - 0.2 + 0.03 \times v_2

0.04 = 0.03v_2

Velocity of marble B after collision = 1.33 m/sec

7 0
3 years ago
. In any energy transformation, energy is _____. destroyed created conserved
zubka84 [21]

Answer: i believe it is conserved or stays the same.

Explanation: energy cant be destroyed no matter what and no energy is being created

I hope this helps a thank and a brainlist would be greatly appreciated

8 0
3 years ago
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Which term below best matches this definition - a period in European history when many educated people stressed the importance o
german

Answer:

The Enlightenment.

Explanation:

The Enlightenment took place during the eighteen century and it typically involved a period of philosophical, cultural and intellectual movement in which ideas on nature, reason, humanity and God were emphasized on greatly over science and superstition through meetings that were held at coffeeshops, scientific academies, literary salons, masonic lodges, etc. Some of the influential philosophers of the enlightenment were Adam Smith, John Locke, Jean Jacques Rousseau, David Hume, Baruch Spinoza, Montesquieu, Hugo Grotius, Denis Diderot, Gottfried Wilhelm, Cesare Beccaria, Immanuel Kant etc. The enlightenment was also known as the age of reason or the age of enlightenment.

Hence, the enlightenment was a period in European history when many educated people stressed the importance of learning and reasoning; education was considered the key to understanding and solving society's problems.

5 0
3 years ago
A uniform string of length 10.0 m and weight 0.32 N is attached to the ceiling. A weight of 1.00 kN hangs from its lower end. Th
Juliette [100K]

Answer: 0.0180701 s

Explanation:

Given the following :

Length of string (L) = 10 m

Weight of string (W) = 0.32 N

Weight attached to lower end = 1kN = 1×10^3

Using the relation:

Time (t) = √ (weight of string * Length) / weight attached to lower end * acceleration due to gravity

g = acceleration due to gravity = 9.8m/s^2

Weight of string = 0.32N

Time(t) = √ (0.32 * 10) / [(1*10^3) * (9.8)]

Time = √3.2 / 9800

= √0.0003265

= 0.0180701s

5 0
3 years ago
One of the most efficient heat engines ever built is a coal-fired steam turbine in the Ohio River valley, operating between 1 87
k0ka [10]

Answer:The answer

Explanation:

5 0
3 years ago
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