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Ghella [55]
2 years ago
7

A car's horn produces a constant frequency of 350 Hz as it passes by Suzy. What is the best estimate of the

Physics
2 answers:
Arada [10]2 years ago
8 0

Answer:

330 Hz

Explanation:

edg2020

Vladimir79 [104]2 years ago
7 0

Answer:

330Hz

Explanation:

on edge 2020

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A cupboard is placed in front of a heater. Air can move through a gap under the cupboard.
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B

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Mama L [17]
<h3><u>Answer;</u></h3>

producing a path for current to flow

<h3><u>Explanation;</u></h3>
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3 years ago
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In which general compass traction is this hurricane moving
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3 years ago
A 12.0-g bullet is fi red horizontally into a 100-g wooden block initially at rest on a horizontal surface. After impact, the bl
allochka39001 [22]

Answer:

v_1 = 91.3 m/s

Explanation:

By energy conservation and work energy theorem we can say that after bullet hits the block, it will move on the rough floor and comes to rest

so here work done by frictional force = change in kinetic energy

so we know that

W_f = \frac{1}{2}mv_f^2 - \frac{1}{2}mv_i^2

-\mu mg d = \frac{1}{2}m(v_f^2 - v_i^2)

-0.650(9.81)(7.5) = \frac{1}{2}(0 - v_i^2)

47.8 = \frac{1}{2}v^2

v = 9.78 m/s

now by momentum conservation we have

m_1 v_1 = (m_1 + m_2) v

12 v_1 = (100 + 12) 9.78

v_1 = 91.3 m/s

3 0
2 years ago
Convert 14 mg to kg ....<br>​
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<h2>♨ANSWER♥</h2>

14mg = 14 × 10^-3 g

= 14 × 10^-3 / 10^3 kg

= 14 × 10^-6 kg

= 0.014 kg

<u>☆</u><u>.</u><u>.</u><u>.</u><u>hope this helps</u><u>.</u><u>.</u><u>.</u><u>☆</u>

_♡_<em>mashi</em>_♡_

7 0
1 year ago
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