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atroni [7]
3 years ago
5

Which statement about a wave produced by a doorbell is true?

Physics
1 answer:
vfiekz [6]3 years ago
3 0
"It propagates in the form of compression and rarefactions" is the one statement among the following choices given in the question that is true about a <span>wave produced by a doorbell. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer helps you. </span>
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HELP ASAP PLZZZZZZ
malfutka [58]
B because the electrons are moving to create a new form. Chemical energy is changing the form.


Hope this helps.
5 0
3 years ago
A set of pulleys is used to lift a piano weighing 1,000 newtons. The piano is lifted 3 meters in 120 seconds. How much power was
Sergio039 [100]

Answer:

25 watts

Explanation:

Power=work/time

work=force x distance

1000 × 3

=3000 Joules

power= 3000/120

=25 watts

4 0
4 years ago
A train travels at 270 km in 3 hours . what is the speed of the train?
Ann [662]

270 \div 3 = 90km / h
3 0
3 years ago
Read 2 more answers
When placed in direct sunlight, which an object will absorb the most visible light energy
Vikentia [17]
I would guess anything that is black? black absorbs there most light energy. that's is why a black car in the sun will always be hotter inside than a white car.
3 0
4 years ago
Which of the following is not a sedimentary structure?A) Magma emplacementB) Mud cracksC) Ripple marksD) Cross beds
lawyer [7]

Answer:

A) Magma emplacement

Explanation:

Sedimentary structures forms during deposition of sediments. It can also form after sediments have been deposited. Sedimentary structures can only be found in sedimentary rocks. Some examples include mud cracks, ripple marks, cross stratification, potholes, etc

Magma emplacement is an igneous process which describes the different mechanisms by which magma can be emplaced. It is only typical of igneous rocks.

6 0
3 years ago
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