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lawyer [7]
3 years ago
10

What are the formulas for Work, KE, GPE and Power?

Physics
1 answer:
Katyanochek1 [597]3 years ago
6 0

Answer:

work=f×d

GPE =m×g×h

kinetic energy =  \frac{1}{2} mv {}^{2}  \\ power =  \frac{w}{t}

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Which two particles are present in the nucleus of an atom? Electrons and neutrons Electrons and molecules 1 TH O Protons and neu
aleksandrvk [35]

Answer:

Protons and neutrons

Explanation:

8 0
3 years ago
2. While standing near a bus stop, a student hears a distant horn beeping. The frequency emitted by the horn is 440 Hz. The bus
jarptica [38.1K]

Given Information:

Frequency of horn = f₀ = 440 Hz

Speed of sound = v = 330 m/s

Speed of bus = v₀ = 20 m/s

Answer:

Case 1. When the bus is crossing the student = 440 Hz

Case 2. When the bus is approaching the student = 414.9 Hz

Case 3. When the bus is moving away from the student = 468.4 Hz

Explanation:

There are 3 cases in this scenario:

Case 1. When the bus is crossing the student

Case 2. When the bus is approaching the student

Case 3. When the bus is moving away from the student

Let us explore each case:

Case 1. When the bus is crossing the student:

Student will hear the same frequency emitted by the horn that is 440 Hz.

f = 440 Hz

Case 2. When the bus is approaching the student

f = f₀ ( v / v+v₀ )

f = 440 ( 330/ 330+20 )

f = 440 ( 330/ 350 )

f = 440 ( 0.943 )

f = 414.9 Hz

Case 3. When the bus is moving away from the student

f = f₀ ( v / v+v₀ )

f = 440 ( 330/ 330-20 )

f = 440 ( 330/ 310 )

f = 440 ( 1.0645 )

f = 468.4 Hz

6 0
3 years ago
Through which of these media do sound waves travel most slowly? A.iron. B.Wood. C.Water. D.Cold Air
EleoNora [17]
The answer should be D) Cold air because even though its true sound can travel through all types of matter, air which is a gas, can travel but it travels SLOWLY while sound travels quickly in SOLIDS.
5 0
3 years ago
The four major Earth systems are the atmosphere, lithosphere, hydrosphere, and geosphere. true and false
love history [14]
False its atmosphere, lithosphere, hydrosphere, and boisphere
5 0
3 years ago
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A particle moving uniformly along the x axis is located at 11.3m at 0.588s and at 3.38m at 4.67s. Find its displacement during t
Yakvenalex [24]
Displacement = (distance between start and end points) in the direction of (direction from start to end point). Distance = (11.3-3.38)= 7.92 m. Direction = the negative 'x' direction.
5 0
3 years ago
Read 2 more answers
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