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Sedaia [141]
3 years ago
9

When the Moon orbits Earth, what is the centripetal force?

Physics
1 answer:
nata0808 [166]3 years ago
5 0

Answer:

Gravity is the centripetal force when the moon orbits the earth.

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Find the momentum p, in the laboratory frame of reference, of a proton moving with a speed of 0.805
user100 [1]
The relativistic formula for the momentum of a particle of mass m and moving at speed v is
p= \frac{mv}{ \sqrt{1- \frac{v^2}{c^2} } }
where c is the speed of light.

In our problem, the speed in terms of c is v=0.805 c, and the mass (still written in terms of c) is m=938 Mev/c^2. Substituting these values in the previous formula, we can find the value of the momentum of the proton:
p= \frac{(938 MeV/c^2)(0.805 c)}{ \sqrt{1-( \frac{0.899c}{c} )^2} } =1273 MeV/c
4 0
3 years ago
A ball rolls from point A to point B. The total energy of the ball at point A isn’t the same as the sum of its potential energy
murzikaleks [220]
B. Some of the ball’s energy is transformed to thermal energy.

Hope this helps you!
3 0
4 years ago
Read 2 more answers
Susan works 8 hours a day and makes $7.00 per hour. How much money does Susan earn in one week if she
photoshop1234 [79]
Get the amount of money in a day, (8)(7)=$56 per day
5 days per week, 56(5)=280
To conclude, she gets $280 in a week.
4 0
3 years ago
Read 2 more answers
A 2-m long string is stretched between two supports with a tension that produces a wave speed equal to vw=50.00m/s. What are the
svetoff [14.1K]

Answer

given,

Length of the string, L = 2 m

speed of the wave , v = 50 m/s

string is stretched between two string

For the waves the nodes must be between the strings

the wavelength  is given by

           \lambda = \dfrac{2L}{n}

where n is the number of antinodes; n = 1,2,3,...

the frequency expression is given by

            f = n\dfrac{v}{2L}

now, wavelength calculation

      n = 1

           \lambda_1 = \dfrac{2\times 2}{1}

                    λ₁ = 4 m

      n = 2

           \lambda_2 = \dfrac{2\times 2}{2}

                   λ₂ = 2 m

      n =3

           \lambda_3 = \dfrac{2\times 2}{3}

                    λ₃ = 1.333 m

now, frequency calculation

      n = 1

            f = n\dfrac{v}{2L}

            f_1 =1\times \dfrac{50}{2\times 2}

                    f₁ = 12.5 Hz

      n = 2

            f = n\dfrac{v}{2L}

            f_2 =2\times \dfrac{50}{2\times 2}

                    f₂= 25 Hz

      n = 3

            f = n\dfrac{v}{2L}

            f_3 =3\times \dfrac{50}{2\times 2}

                    f₃ = 37.5 Hz

8 0
3 years ago
The main illustration in the video shows the life track of a one-solar mass star. Each point along this track represents _______
REY [17]

Each point along the track of one solar mass star represents the star's surface temperature and luminosity at one time.

<h3>What is the one-solar mass star?</h3>

A star having a mass equal to the mass of the Sun is called a one-solar mass star.

Its life track shows the luminous intensity as well as the surface temperature.

Learn more about one-solar mass star.

brainly.com/question/14984575

#SPJ1

7 0
2 years ago
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