The most interpersonal constructive passion response to relational conflict is..

Choose the sources of gamma rays. Check all that apply.

harina [27]

Answer:

a. Stars all warm objects

c. Some unstable atomic nuclei

Explanation:

Gamma rays are photons of very high energy (beyond 100keV) enough to remove an electron from its orbit.

They have a very short wavelength, less than 5 meters from the peak, and can be produced by nuclear decay, especially in the breasts of massive stars at the end of life.

They were discovered by the French chemist Paul Villard (1860 to 1934).

While X-rays are produced by electronic transitions in general caused by the collision of an electron with an atom at high speed, gamma rays are produced by nuclear transitions.

Gamma rays produce damage similar to those caused by X-rays or ultraviolet rays (burns, cancer and genetic mutations).

The sources of gamma rays that we observe in the universe come from <u>massive stars (hypernovas) or some warm objects on the space</u> that end their lives by a gravitational collapse that leads to the formation of a neutron star or a black hole, as well as <u>unstable radioactive nuclei </u>that emit radiation gamma to reach its steady state.

7 0

4 years ago

One muscle in your body that is always at work pumping blood is the

belka [17]

Is the heart. And this should be in Biology not Physics.

8 0

3 years ago

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A 2.40 kg can of coffee moving at 1.50 m/s in the +x-direction on a kitchen counter collides head-on with a 1.20 kg box of macar

liraira [26]

Answer:

The macaroni travels with a velocity of 1.35 m/s in the +x-direction.

Explanation:

By the conservation of momentum principle and assuming there is no external force (e.g. friction) acting on the system, the total initial momentum is equal to the total final momentum.

We take all velocities in the +x-direction as positive.

Initial momentum of coffee can = (2.40 kg)(1.50 m/s) = 3.60 kg m/s

Initial momentum of macaroni = (1.20 kg)(0.00 m/s) = 0.00 kg m/s

Total initial momentum = (3.60 + 0.00) kg m/s = 3.60 kg m/s

Final momentum of coffee can = (2.40 kg)(0.825 m/s) = 1.98 kg m/s

Final momentum of macaroni = (1.20 kg)(v m/s) = 1.20v kg m/s

Total final momentum = (1.98 + 1.20v) kg m/s

Equating both initial and final total momenta,

3.60 kg m/s = (1.98 + 1.20v) kg m/s

1.20v kg m/s = 1.62 kg m/s

v = (1.62 kg m/s) ÷ (1.20 kg) = 1.35 m/s

Since this is positive, the macaroni travels with a velocity of 1.35 m/s in the +x-direction.

6 0

3 years ago

An asteroid has acquired a net negative charge of 149 C from being bombarded by the solar wind over the years, and is currently

bearhunter [10]

Answer:

93.125 × 10^(19)

Explanation:

We are told the asteroid has acquired a net negative charge of 149 C.

Thus;

Q = -149 C

charge on electron has a value of:

e = -1.6 × 10^(-19) C

Now, for us to determine the excess electrons on the asteroid, we will just divide the net charge in excess on the asteroid by the charge of a single electron.

Thus;

n = Q/e

n = -149/(-1.6 × 10^(-19))

n = 93.125 × 10^(19)

Thus, it has 93.125 × 10^(19) more electrons than protons

5 0

3 years ago

A rock with a mass of 2.0 kg falls from a cliff. At a height of 5.0 meters, its velocity is 6.0 m/s. What is the mechanical ener

REY [17]

Answer : The mechanical energy of the rock is, 134 J

Solution :

As we know that the mechanical energy is equal to the sum of the kinetic energy and the potential energy.

The formula used for mechanical energy is,

$M.E=K.E+P.E\\\\M.E=(\frac{1}{2}mv^2)+(mgh)$

where,

M.E = mechanical energy

K.E = kinetic energy

P.E = potential energy

m = mass of an object = 2 Kg

v = velocity of an object = 6 m/s

h = height = 5 m

g = acceleration due to gravity = $9.8m/s^2$

Now put all the given values in the above formula, we get the mechanical energy of the rock.

$M.E=[\frac{1}{2}(2Kg)\times (6m/s)^2]+(2Kg\times 9.8m/s^2\times 5m)=134\text{ Kg }m^2s^{-2}=134J$

Therefore, the mechanical energy of the rock is, 134 J

6 0

3 years ago

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