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mixer [17]
4 years ago
14

Which sound is most likely the most intense

Physics
1 answer:
MrMuchimi4 years ago
4 0
Are there answers choice or a picture I can see?
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A 1.0-kg block is released from rest at the top of a frictionless incline that makes an angle of 37° with the horizontal. An unk
Elenna [48]

Answer: The distance along the incline the mass slide from the point of release until it is brought momentarily to rest is <em><u>0.68 meter</u></em>

Explanation:

Let distance slide by block along the incline be L

\therefore h=L\sin (37^{\circ})

where h = initial height of block from the ground level

Since the inclined surface is frictionless so total mechanical energy is conserved for the spring-block system

Therefore applying conservation of mechanical energy we get

PE_{si}+PE_{gi}+KE_i=PE_{sf}+PE_{gf}+KE_f

where

PE_{si} = Initial spring potential energy

PE_{gi} = Initial gravitational potential energy

KE_i = Initial kinetic energy

PE_{sf} = Final spring potential energy

PE_{gf} =Final gravitational potential energy

KE_f = Final kinetic energy

=>0+mgL\sin (37^{\circ})+0=\frac{kx^{2}}{2}+0+0

=>1.0\times 9.8\times L\sin (37^{\circ})=\frac{200\times 0.20^{2}}{2}

\therefore L= 0.68 m

Thus the distance along the incline the mass slide from the point of release until it is brought momentarily to rest is <em><u>0.68 meter</u></em>

8 0
3 years ago
The average resistivity of the human body (apart from surface resistance of the skin) is about 5.0 Ωm. The conducting path betwe
Iteru [2.4K]

Answer with Explanation:

We are given that

Resistivity,\rho=5\Omega m

Length of cylinder,l=1.6 m

Diameter ,d=0.10 m

Radius,r=\frac{d}{2}=\frac{0.10}{2}=0.05 m

a.Resistance,R=\frac{\rho l}{A}

R=\frac{5\times 1.6}{\pi(0.05)^2}=1.02\times 10^3\Omega

b.Current,I=100 mA=100\times 10^{-3} A

1 mA=10^{-3} A

Potential difference,V=IR

V=100\times 10^{-3}\times 1.02\times 10^3=102 V

5 0
3 years ago
Do man made elements have a greater number than natural elements
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A synthetic element is one of 24 chemical elements that do not occur naturally on Earth: they have been created by human manipulation of fundamental particles in a nuclear reactor, a particle accelerator, or the explosion of an atomic bomb; thus, they are called "synthetic", "artificial", or "man-made". The synthetic elements are those with atomic numbers 95–118, as shown in purple on the accompanying periodic table:[1] these 24 elements were first created between 1944 and 2010. The mechanism for the creation of a synthetic element is to force additional protons onto the nucleus of an element with an atomic number lower than 95. All synthetic elements are unstable, but they decay at a widely varying rate: their half-lives range from 15.6 million years to a few hundred microseconds.
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3 years ago
In order to do work, the force vector must be
aliina [53]

in the same direction as the displacement vector and the motion

5 0
4 years ago
from an origin you walk 3 meters east 7 meters west and then 6meters east . where are you now relative to the origin?
german
You take 3 steps east, turn around & take another 7 steps west (4 steps always from origin) you turn around again and take 6 more steps east - 2 steps always from origin
3 0
3 years ago
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