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Gnoma [55]
3 years ago
9

HELPPPPPPPPPPPPP??????

Physics
2 answers:
zhuklara [117]3 years ago
7 0

Answer:

The picture is not clear

lyudmila [28]3 years ago
6 0

Answer:

Displacement is 0

Explanation:

This is for first question

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two forces equal in magnitude and opposite in direction act at the same point on an object. is it possible for there to be a net
elena55 [62]

If the forces are equal, at a distance equidistant it is not possible to act a pair on the body since both torques cancel each other. Being of the same magnitude and in the opposite direction, the sum of the torques will be zero.

5 0
3 years ago
YO IF YOU ARE GOOD AS SCIENCE PLEASE ANSWER THIS QUESTION IT WOULD HELP A LOT NO LINKS!!!
zhuklara [117]

Answer:

1  and 5 and 3

Explanation:

hope this helps

7 0
2 years ago
Read 2 more answers
Directions: Imagine that you are either a Confederate or Union soldier alive during the Civil War. Write a short note to your fa
bixtya [17]

Answer:

Hey guys...I Miss you very much.I wish i could come home.But i have a mission to complete and i have to complete it. Tell the kids i said hi and i live them very much

Explanation:

GREETING: Hey family i miss you all very much i hope you guys are ready for me to come home.

5 0
2 years ago
Physicists often use a different unit of energy, the electron volt, when dealing with energies at the atomic level. One electron
Alex Ar [27]

Answer:

a)  E = 1.06 10⁻¹⁹ J,     b)   v = 9.78 10⁵ m / s

Explanation:

The physical magnitudes can be given in several units, but in general all must be reduced to the same system in a given exercise, the most used system is the international (SI)

           1 eV =q V=  1.6 10⁻¹⁹ J

let's reduce the quantities requested

a) E = 1.0 eV to Joule

           E = 1.0 eV (1.6 10⁻¹⁹ J / 1 eV)

           E = 1.06 10⁻¹⁹ J

b) the kinetic energy is given by

           K = ½ m v²

           v = \sqrt{\frac{2K}{m} }

the mass of the proton is

          m = 1,673 10⁻²⁷ kg

let's reduce the energy to the SI system

           E = 5000 ev (1.6 10-19 J / 1 eV) = 8000 10⁻¹⁹ J

let's calculate

           v = \sqrt{ \frac{2 \ 8000 \ 10^{-19}}{1.673 \ 10^{-27} }  }

           v = \sqrt{ 95.637 \  10^{10} }

           v = 9.78 10⁵ m / s

3 0
2 years ago
A 66-kg man stands on a spring scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of 1.
Sedaia [141]

Answer:735.46N, 626.34N

Explanation: when an elevator ascend, it means it moving against gravity

F= m(a+g)

M=66kg

a=v/t

g=9.81m/s^2

For the first a= 1.2/0.9

a=1.2/0.9

a=1.33m/s2

F=66(1.33+9.81)

F=66(11.143)

F=735.46N

F=m(a+g)

a=v/t

a=-1.6/5

a=-0.32m/s2

F=66(-0.32+9.8)

F=66(9.49)

F=626.34N

7 0
2 years ago
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