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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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The free-fall acceleration on Mars is 3.7 m/s2.
hichkok12 [17]

Answer:

(a) The length of the pendulum on Earth is 36.8cm

(b) The length of the pendulum on Mars is 13.5cm

(c) Mass suspended from the spring on Earth is 0.37kg

(d) Mass suspended from the spring on Mars is 0.36kg

Explanation:

Period = 1.2s, free fall acceleration on Earth = 9.8m/s^2, free fall acceleration on Mars = 3.7m/s^2

( a) Length of pendulum on Earth = [( period ÷ 2π)^2] × acceleration = (1.2 ÷ 2×3.142)^2 × 9.8 = 0.0365×9.8 = 0.358m = 35.8cm

(b) Length of the pendulum on Mars = (1.2÷2×3.142)^2 × 3.7 = 0.0365×3.7 = 0.135cm = 13.5m

(c) Mass suspended from the spring on Earth = (force constant×length in meter) ÷ acceleration = (10×0.358) ÷ 9.8 = 0.37kg

(d) Mass suspended from the spring on Mars = (10×0.135)÷3.7 = 0.36kg

6 0
3 years ago
A 5.0 A current is set up in a circuit for 6.0 min by a rechargeable battery with a 6.0 V emf. By how much is the chemical energ
Andre45 [30]

Answer:

The chemical energy of the battery was reduced in 10800J

Explanation:

The first thing to take into account is that the stored energy in a battery is in Watts per second or Joules (W\cdot s=J). It means that the battery provides a power for a certain time.

The idea is to know how much W\cdot s has been consumed by the circuit.

The first step is to know the power that is consumed by the circuit. It is P=V\cdot I. The problem says that the circuit consumes a current of 5.0A with a voltage of 6.0V. It means that the power consumed is:

P=V\cdot I=(6.0V)\cdot (5.0A)=30W

The previous value (30W) is the power that the circuit consumes.

Now, you must find the total amount of power that is consumed by the circuit in 6.0 minutes. You just have to multiply the power that the circuit consumed by the time it worked, it means, 6.0 minutes.

energy=P\cdot t=(30W)\cdot (6.0min)=180W\cdot min

You must convert the minutes unit to seconds. Remember that 1 minute has 60 seconds.

energy=P\cdot t=(30W)\cdot (6.0min) \cdot \frac{60s}{1min}=10800W\cdot s=10800J

Thus, the chemical energy of the battery was reduced in 10800J

8 0
4 years ago
When we see a meteor shower, it means that ________.
Irina18 [472]

Answer:

option A

Explanation:

The meteor shower is the celestial activity in which meteors are observed to radiate or originate from one point.

Meteors are nothing but dust or ice from the trails of comets. Most of the meteors are less than the size of the sand particle.

We will see comet shower when we earth will cross the orbit of the comet.

Hence, the correct answer is option A

6 0
4 years ago
Explain the importance of mindfulness and how meditation can help with being more mindful daily.
Minchanka [31]
Mindfulness can: help relieve stress, treat heart disease, lower blood pressure, reduce chronic pain, , improve sleep, and alleviate gastrointestinal difficulties. Mindfulness improves mental health.
8 0
3 years ago
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The largest nerve in the body, the sciatic nerve, belongs to the ________ nerve plexus.
klasskru [66]

The sciatic nerve is a part of the Sacral Plexus

8 0
3 years ago
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