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Fed [463]
2 years ago
7

How do you find the average speed of an object?

Physics
2 answers:
kozerog [31]2 years ago
8 0

Answer: s =d/t

Explanation:

Aleonysh [2.5K]2 years ago
5 0

Answer:

Average speed is total distance divided by total time.

v = d / t

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A 0.500 kg rock is whirled in a vertical circle of a radius 0.60 m . the velocity of the rock at the bottom of the swing is 4.0
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Explanation:

Centripetal acceleration is:

a = v² / r

a = (4.0 m/s)² / 0.60 m

a = 26.6 m/s²

7 0
3 years ago
An element's atomic number is 58. How many protons would an atom of this element have?
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The wave that carrys the most energy are the waves that?
lesya [120]

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5 0
2 years ago
Read 2 more answers
A 200g piece of iron is heated at 100C. It is than dropped into water to bring its temperature down to 22C. What is the amount o
gizmo_the_mogwai [7]

Answer:

6926.4J

Explanation:

Given parameters:

Mass of iron  = 200g

Initial temperature  = 100°C

Final temperature  = 22°C

Unknown:

Amount of heat transferred to the water  = ?

Solution:

The quantity of heat transferred to the water is a function of mass and temperature of the iron;

 H  = m c Ф

m is the mass of the iron

Ф is the change in temperature

C is the specific heat capacity of iron = 0.444 J/g°C

Now;

 insert the parameters and solve;

      H  = 200 x 0.444 x (100-22)

      H = 6926.4J

8 0
3 years ago
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Answer:

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