3 years ago

This is an example of using a hammer as a(n)

Physics

2 answers:

barxatty [35]3 years ago

3 0

, to hit nails into a piece of wood or a wall, or to break things into pieces.

Burka [1]3 years ago

3 0

Answer:

It's A

Explanation:

the answer on e2020 is A, a lever

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What is the lateral surface area of a cylinder with height of 7 m and a base diameter of 4 m (to the nearest whole number)?

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A boat sails south with the help of a wind blowing in the direction S36°E with magnitude 300 lb. Find the work done by the wind

goldfiish [28.3K]

Answer:

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2 years ago

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A copper wire 1.0 meter long and with a mass of .0014 kilograms per meter vibrates in two segments when under a tension of 27 Ne

Furkat [3]

Answer:

the frequency of this mode of vibration is 138.87 Hz

Explanation:

Given;

length of the copper wire, L = 1 m

mass per unit length of the copper wire, μ = 0.0014 kg/m

tension on the wire, T = 27 N

number of segments, n = 2

The frequency of this mode of vibration is calculated as;

$F_n = \frac{n}{2L} \sqrt{\frac{T}{\mu} } \\\\F_2 = \frac{2}{2\times 1} \sqrt{\frac{27}{0.0014} }\\\\F_2 = 138.87 \ Hz$

Therefore, the frequency of this mode of vibration is 138.87 Hz

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