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Elena-2011 [213]

3 years ago

15

Endometriosis, cysts, pelvic infections, and allergic reactions can all cause

1 answer:

gulaghasi [49]3 years ago

5 0

D. Dyspareunia
I would say d because dyspareunia means painful sex so endometriosis, cyst, pelvic infections, and allergic reactions can all cause this.

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Andrea and the other members of the tennis team are practicing hitting tennis balls. If two people hit identical balls at the sa

Pachacha [2.7K]

If two people hit identical tennis balls at the same time, the ball that has the most kinetic energy is the ball that moves at the fastest speed.

<u>Explanation:</u>

The energy possessed by an object by virtue of its motion is called its kinetic energy indicating that only moving objects have kinetic energy. The kinetic energy of an object depends on its speed and mass.

It is given by the expression

$K=1/2 mv^2$

where m denotes the mass of the object and v denotes its velocity.

since kinetic energy is directly proportional to the square of the velocity, the kinetic energy of an object increases with its velocity.

Hence an object that moves at the fastest speed will have the most kinetic energy.

8 0

3 years ago

Gaseous helium is in thermal equilibrium with liquid helium at 6.4 K. The mass of a helium atom is 6.65 × 10−27 kg and Boltzmann

chubhunter [2.5K]

Answer:

162.78 m/s is the most probable speed of a helium atom.

Explanation:

The most probable speed:

$v_{mp}=\sqrt{\frac{2K_bT}{m}}$

$K_b$ = Boltzmann’s constant = $1.38066\times 10^{-23} J/K$

T = temperature of the gas

m = mass of the gas particle.

Given, m = $6.65\times 10^{-27} kg$

T = 6.4 K

Substituting all the given values :

$v_{mp}=\sqrt{\frac{2\times 1.38066\times 10^{-23} J/K\times 6.4 K}{6.65\times 10^{-27} kg}}$

$v_{mp}=162.78 m/s$

162.78 m/s is the most probable speed of a helium atom.

4 0

4 years ago

How much time does it take for a car traveling 19.1 m/s to cover a distance of 1200 m?

nalin [4]

Answer:

63

Explanation:

it would take around 63 if ur asking for 1200/19.1

4 0

3 years ago

In old cartoons, sometimes they would drop a piano on a toon’s head. If a piano weighs 215.5 kg and us falling at a rate of 9.8

SIZIF [17.4K]

Answer:

<h3>F=2,111.9</h3>

F= two thousand one hundred eleven point nine

Explanation:

Force equals <em><u>Mass(kg)</u></em> times acceleration (M/s^2)

F=<em><u>m</u></em>a

F= <u><em>215.5</em></u> x 9.8

5 0

4 years ago

Calculate the magnitude of the particle accelerator's magnetic field that causes an ionized helium atom (+2q e) with a momentum

trasher [3.6K]

Answer:

The magnetic field of the particle is 1.5 T.

(C) is correct option.

Explanation:

Given that,

Momentum of particle $p=4.8\times10^{-16}\ kg m/s$

Radius = 1.0 km

Charge of the particle $q=2\times1.6\times10^{-19}\ C$

We need to calculate the magnetic field

Using relation of radius of path in magnetic field

$r=\dfrac{mv}{qB}$

Here mv = p

$B=\dfrac{p}{qr}$

Put the value into the formula

$B=\dfrac{4.8\times10^{-16}}{1000\times2\times1.6\times10^{-19}}$

$B=1.5\ T$

Hence, The magnetic field of the particle is 1.5 T.

3 0

3 years ago