3 years ago

Why would an egg break immediately when it hits the ground?

Physics

2 answers:

iogann1982 [59]3 years ago

7 0

All I can say is "Gravity"

Elza [17]3 years ago

6 0

As an egg falls towards the floor, it begins to travel faster and faster. When it slams into the floor, the egg is stopped almost immediately. This force of the floor against the eggshell is too large, so it breaks.

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When the E string of a guitar (frequency 330 Hz) is plucked, the sound intensity decreases by a factor of 2 after 4 s. Determine

zloy xaker [14]

Answer:

$Q=50.3$

Explanation:

From the question we are told that:

Frequency $F=330Hz$

Sound intensity drop $I_d=2$

Time $T=4s$

Therefore

Sound intensity Ratio

$\frac{I}{I_x}=\frac{1}{2}$

Generally the equation for Sound intensity is mathematically given by

$\frac{I}{I_x}=e^{-4\ \=t}$

$\frac{1}{2}=e^{-4\ \=t}$

$\=t =5.8s$

Generally the equation for Quality Factor is mathematically given by

$Q=2 \pi\frac{E}{\triangle E}$

$Q=2 \pi\frac{E}{\frac{E}{2*4}}$

$Q=50.3$

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3 years ago

A person is standing on a scale in an unmoving elevator. The elevator starts to move upwards at 1 m/s squared. Is the scale read

timama [110]

Answer: GREATER

Explanation:when elevator does not move it reads weight of the person . when elevator moves up let apparent weight be F . W acts downwards so net force is F-W

HENCE

F-W =ma

F= ma+W

AS a= 1 m/s^2

F = m (1)+W

HENCE GREATER

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3 years ago

How much force is required to accelerate a 12 kg mass at 5 m/s 2

Savatey [412]

Answer:

60 N

Explanation:

This is just Newton's Second Law

F = m*a

F = ?

m = 12 kg

a = 5 m/^2

F = 5*12 = 60 Newtons

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Answer:

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