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Serggg [28]
3 years ago
15

Help please asap

Physics
1 answer:
Rasek [7]3 years ago
8 0
B because the mantle is farther down in and a egg has more of the hard stuff inside
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A simple pendulum consisting of a small object of mass m attached to a string of length l has a period T.
andrew-mc [135]

Answer:

Check Explanation.

Explanation:

For a simple pendulum, the period is given as

T = 2π√(L/g)

It is also given as

T = 2π√(m/k)

where

T = period of oscillation

m = mass of the pendulum

L = length

g = acceleration due to gravity

k = force constant

Equating this two equations,

2π√(L/g) = 2π√(m/k)

(L/g) = (m/k)

(m/L) = (k/g)

So, any pendulum that will have the same period as our pendulum with mass, m, and length, L, must have the ratio of (L/g) to be the same as the pendulum under consideration and the ratio of its mass to force constant (m/k) must also be equal to this ratio.

Hope this Helps!!!

4 0
3 years ago
A spring has a constant k= 10.32 N/m and is hung vertically. A 0.400kg mass is suspended from the spring. What is the displaceme
alukav5142 [94]

Answer:

displacement (x) = 0.003798 meters

Explanation:

from the fact that the string is hung vertically we can deduce that:

Total force acting on the mass = Fs (by spring) + Fg (by gravity)

<em>where</em>

Fs = k*x , x is the displacement..

Fg = m*g

then:

Ftot = m*a, <em>but a = 0 m/(s^2) because the mass becames stationary.</em>

Ftot = 0

Fs + Fg = 0

<em>by direction, take down as negative.</em>

Fs - Fg = 0

k*x = m*g

x = m*g/k = [(0.400)(9.8)]/(10.32)

  = 0.3798 meters

4 0
3 years ago
In this electric motor, an electric current causes the coil to rotate changing
laila [671]

Changing magnetic fields induce electric currents in copper and other conductors.

4 0
3 years ago
Read 2 more answers
Please help me! I don't understand how salt is formed. Please tell me how salt is formed. I have to use words like neutralizatio
olga nikolaevna [1]
Salt is made in in the water the seaweeds have slat on them of you let the seaweeds dry you can see the salt on them.
8 0
3 years ago
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Car headlights use concave mirrors. There's a concave mirror in the back of the headlight socket, and the actual light bulb is p
katen-ka-za [31]

Answer:

At the focus

Explanation:

In car head lights concave mirrors are used. The light bulbs in these headlights are place along the principal axis  as shown in the figure. On this Principal axis light bulbs are place at the Focus to get maximum brightness. As from the figure we can conclude that light rays coming from infinity converse at focus thus, giving maximum brightness.

7 0
3 years ago
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