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DerKrebs [107]
3 years ago
13

26. The equation E=hf describes the energy of each photon in a beam of light. If Planck’s constant, h, were larger, would photon

s of light of the same frequency be more energetic or less energetic. Be sure to explain using at least 3 content related sentences.
Physics
1 answer:
Elenna [48]3 years ago
6 0
The equation of the energy of a photon is E=h*f.

If we increase the Planck's constant h, the energy would increase. 

For example, lets double the value of Planck's constant and name it H:

H=2*h. Now lets put that into the equation for energy that we will call E₂:

E₂=H*f=2*h*f=2*E. 

So we can clearly see that E₂=2*E or that if we double Planck's constant, the energy also doubles. 
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Explain the 3 method of heat transfer<br>a. conduction<br>b. convection<br>c. radiation​
Aleks [24]

Answer:

Heat can be transferred in 3 ways.

Explanation:

Conduction- The process of transmission of heat in solids,without the actual movement of particles.

Convection- A process of transmission of heat in fluids (liquids and gases)with the actual movement of particles.

Radiation- It is the process of transmission of heat without any medium.

8 0
2 years ago
Calculate the kinetic energy of a 5.0kg object moving at 4.0 m/s
Nana76 [90]

Answer:

The answer is

<h2>40 J</h2>

Explanation:

The kinetic energy of an object given it's mass and velocity can be found by using the formula

KE =  \frac{1}{2} m {v}^{2}

where

m is the mass

v is the velocity

From the question

m = 5 kg

v = 4 m/s

The kinetic energy is

KE =  \frac{1}{2}  \times 5 \times  {4}^{2}  \\  =  \frac{1}{2}  \times 5 \times 16 \\  = 5 \times 8

We have the final answer as

<h3>40 J</h3>

Hope this helps you

3 0
3 years ago
A gate at the bottom of a dam is 10 ft tall by 30 ft wide. The specific weight of the water is 62.4 lbf/ft3. If the water is 50
Burka [1]

Answer:

The total force is most nearly 940,000lbf

Explanation:

Total force = specific weight × volume

Volume = length × width × depth = 10ft × 30ft × 50ft = 15,000ft^3

Total force = 62.4lbf/ft^3 × 15,000ft^3 = 936,000lbf which is most nearly 940,000lbf

4 0
3 years ago
Shah did not trust the results of an experiment that she had read about, so she is conducting the experiment herself. She goes t
Hitman42 [59]

The question is incomplete, the complete question is;

Shah did not trust the results of an experiment that she had read about, so she is conducting the experiment herself. She goes through the same set of steps and measures the effect of the amount of sugar on a single organism.

Which best describes what Shah is doing?

replication

repetition

both repetition and replication

neither repetition nor replication

Answer:

replication

Explanation:

Replication in scientific experiments refer to the process of going through all the steps in an experiment in order to obtain the same set of results initially obtained.

All scientific experiments is expected to be replicated under identical experimental conditions. If the results obtained by a scientific investigation cannot be replicated under identical circumstances by other scientists, then the scientific data must be taken with a pinch of salt.

Shah is expected to obtain almost exactly the same data as the original researchers who first published the data.

5 0
2 years ago
Read 2 more answers
a powerboat accelerates along a straight path from 0 km/hr to 99.8 km/hr in 10.0 s.Find the average acceleration of the boat in
Alex777 [14]
(27.72-0)/10
= 2.772 m/s2
3 0
3 years ago
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