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Nutka1998 [239]
3 years ago
12

• What affects the speed of sound?

Physics
1 answer:
suter [353]3 years ago
6 0

Answer:

The material effects the speed if sound.

Explanation:

A denser material whose atoms are tightly packed will quickly transfer energy as they are close to each other than mediums like air.

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What is the weight of an object with a mass of 19 kg?
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2 years ago
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Could someone please explain to me Archimede's principle without using the term displace (or at least explaining what it means)?
disa [49]
Does this help?

When an object is immersed in a fluid (in this case water, but may include both liquids and gases) the fluid exerts an upward force on the object which is called buoyancy force or <span>up-thrust.  Archimedes’ Principle states that the buoyant force (upward push or force) applied to an object is equal to the weight of the fluid that the object takes the space of by that object.  Thus when an object is placed in water the rise in the water level is dictated by the mass of that object.</span>

<span>
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<span>So for example if you fill a bucket with water and you drop a stone in that bucket, if you measure the weight of the water that overflows from the bucket due to the stone being dropped into the bucket is equivalent to the pushing force that the water has on the stone (as the stone drops to the bottom of the bucket the water is pushing it to stay afloat but the rock is more dense than water and as such its downthrust exceeds water's upthrust).</span>


4 0
2 years ago
Which situation describes a system with decreasing gravitational potential energy?
lord [1]

Answer: a boy jumping down

6 0
3 years ago
A truck driving east on a highway goes from the 42 mi marker to the 48 mi
Leona [35]

Average velocity is 1..2 mi/min east

Explanation:

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Here, displacement = 48 mi - 42 mi = 6 miles

Time = 5 minutes

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3 0
3 years ago
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