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Licemer1 [7]
3 years ago
12

I need help with this assignment please

Physics
1 answer:
tatiyna3 years ago
7 0

Answer:

ill try

Explanation:

let me find this answer for you

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Answer:

mass(m) = 6kg

velocity (v) = 1.75m/s

Kinetic energy (KE) = ?

We have ,

KE = 1/2 mv²

= 1/2 6*1.75

= 5.25 j

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Sound waves move the most slowly through
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Gases

Explanation:

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A 0.250 kg block on a vertical spring with spring constant of 4.45 ✕ 103 N/m is pushed downward, compressing the spring 0.080 m.
Elza [17]

Answer:h=5.81 m

Explanation:

Given

Mass of block(m)=0.250 kg

Spring Constant k=4.45\times 10^3 N/m

Initial elongation =0.080 m=8 cm

Thus Initial Potential Energy stored =Final Potential Energy stored in Block

P_i=\frac{kx^2}{2}

P_i=\frac{4.45\times 10^3\times 64\times 10^{-4}}{2}=14.24 J

P_f=mgh=0.25\times 9.8\times h

P_i=P_f

14.24 =0.25\times 9.8\times h

h=\frac{14.24}{0.25\times 9.8}=5.81 m

6 0
3 years ago
How would you define compound
aliina [53]

Answer:

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