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pentagon [3]
4 years ago
12

Mrs. Rohaley gives you a piece of iron and asks you to determine the physical and chemical properties of the metal. She wants yo

u to classify the properties as either physical or chemical:A. Identify each property as either a physical or chemical property.B. Explain why you categorize each property as either a physical or chemical property.
Physics
1 answer:
Fofino [41]4 years ago
5 0

Answer:The answer is B

Explanation:

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3 years ago
A musical note has a frequency of 512 Hz. If the wavelength of the note is 0.685 m, what is the speed of the sound of that note?
riadik2000 [5.3K]

Answer:

350.72 m/s

Explanation:

Formula for velocity of wave is;

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3 years ago
A 4.00 kg block is suspended from a spring with k 500 N/m. A 50.0 g bullet is fired into the block from directly below with a sp
Yanka [14]

Answer:

a. A = 0.1656 m

b. % E = 1.219

Explanation:

Given

mB = 4.0 kg , mb = 50.0 g = 0.05 kg , u₁ = 150  m/s , k = 500 N / m

a.

To find the amplitude of the resulting SHM using conserver energy

ΔKe + ΔUg + ΔUs = 0

¹/₂ * m * v²  -  ¹/₂ * k * A² = 0

A = √ mB * vₓ² / k

vₓ = mb * u₁ / mb + mB

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A = 0.1656 m

b.

The percentage of kinetic energy

%E = Es / Ek

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% E = 13.72 / 1125 = 0.01219 *100

% E = 1.219

6 0
3 years ago
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