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Sophie [7]
4 years ago
7

Which one of the following scenarios accurately describes a condition in which resonance can occur?

Physics
1 answer:
mr Goodwill [35]4 years ago
4 0
A pipe's length is equal to 1⁄2 of the wavelength of the sound waves produced by a tuning fork vibrating over one end of the pipe that's open to the air at both ends.
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Its a cause Superman superpowers are the sun so it’s every energy of powers
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; (b) A uniform beam 150cm long weighs 3.5kg and
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Explanation:

(b) A uniform beam 150cm long weighs 3.5kg and

supported on knife-edges at its ends. The beam

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A large truck with a mass of 3200 kg is pulling a trailer with a mass of 2400 kg. Both are accelerating at a rate of 0.45 . Dete
Gwar [14]

Given:

Mass of truck, m1 = 3200 kg

Mass of trailer, m2 = 2400 kg

acceleration = 0.45 m/s²

Let's determine the following:

(a) The tension force between the truck and the trailer.

To find the tension between the truck and the trailer, apply the formula:

F_{\text{net}}=a(m_1+m_2)

Where:

Fnet is the tension between the truck and the trailer

a is the acceleration = 0.45 m/s²

m1 is the mass if the truck = 3200 kg

m2 is the mass of trailer = 2400 kg

Hence, we have:

\begin{gathered} F_{net}=0.45(3200+2400) \\  \\ F_{\text{net}}=0.45(5600) \\  \\ F_{\text{net}}=2520\text{ N} \end{gathered}

Therefore, the tension between the truck and the trailer is 2520N

(b) The force with which the truck is pulling.

The tension between the truck and the trailer is equivalent to the force on the trailer.

thus, we have:

\begin{gathered} T=m_2a \\  \\ T=2400\times0.45 \\  \\ T=1080\text{ N} \end{gathered}

Therefore, the force with which the truck is pulling is 1080N.

ANSWER:

(a) 2520N

(b) 1080 N

8 0
2 years ago
Help asap please! thanks:)
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Answer:

The 1st one

Explanation:

2nd one doesn't compute

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Why Is The Sky Blue?
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