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Dmitrij [34]
3 years ago
12

Question 49 (1 point)

Physics
1 answer:
kirill115 [55]3 years ago
7 0

<u>Answer</u>:

Orbit's semi-major axis length and  its period  is directly proportional.

<u>Explanation</u>:

Orbital period(T) is the time taken for an celestial object to make one complete revolution in the orbit around other object

According to  Kepler's laws  3rd of planetary motion  stating

The square of an orbital period T of a planet is “directly proportional” to the cube of the "semi-major axis"  of its orbit.

The orbital period  T is given by

T=2 \pi \sqrt{\frac{a^{3}}{\mu}}

Where

a is the semi-major axis of the orbit

µ = GM  which is the standard gravitational parameter

With G is the gravitational constant  and M is the mass of  body.

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An elevator accelerates upwards at an acceleration of 2 m/s. The mass of the elevator is 3500 kg. What is the tension in the ele
yawa3891 [41]

Answer:

B) 41,335 N

Explanation:

As the elevator moves upward the formula for the calculation of tension in the cable is given by.

                             T-mg =ma

                             T=mg+ma

                             T=3500*9.81+3500*2

                               =34335+7000

                             T=41,335 N

7 0
3 years ago
Read 2 more answers
What is the frequency of a wave that has a speed of 5 m/s and a wavelength of 0.5meter?
Debora [2.8K]

Explanation:

frequency =speed/wavelength

=5/0.5=10Hz

5 0
3 years ago
Two protons are moving up when they enter a magnetic field that points towards you. What happens to the motion of the particles?
Llana [10]
The protons will possess a force pointing to the right.

The force is called Laurentz Force, which is measured by: F = qvB

Here, q is positive for proton, v and B are cross product determined by right hand rule.
6 0
4 years ago
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On a spending spree in Malaysia, you buy an ox with a weight of 28.9 piculs in the local unit of weights: 1 picul = 100 gins, 1
Talja [164]

Answer:

1747.41 kg

Explanation:

If          1 piculs = 100 gins,

Then     28.9 piculs = (28.9 × 100) gins = 2890 gins.

Also,

If         1 gin = 16 tahils

then   2890 gins =( 16 × 2890 ) = 46240 tahils

Also,

If         1 tahil = 10 chees,

Then    46240 tahils = 46240 × 10 chees = 462400 chees.

Also,

If           1 chee = 10 hoons

Then      462400 chees =( 10 × 462400) hoons = 4624000 hoons.

Also,

If            1 hoon = 0.3779 g,

Then     4624000 hoons = 0.3779 × 4624000 = 1747409.6 g.

The mass in kg that i will declare in the shipping manifest = (1747409.6/100 )kg = 1747.41 kg

6 0
3 years ago
What is the fraction of the hydrogen atom's mass (11h) that is in the nucleus? the mass of proton is 1.007276 u, and the mass of
Alex_Xolod [135]

The mass fraction of the hydrogen atom is 0.9995 u.

<h3>Calculation:</h3>

We know that mass fraction can be determines as,

Mass fraction = Mass of proton/mass of H atom

Given,

Mass of proton = 1.007276 u

Mass of H atom = 1.007825 u

Put the values in the formula,

Mass fraction = Mass of proton/mass of H atom

Mass fraction = 1.007276/1.007825

                       = 0.9995 u

Hence, the mass fraction of the hydrogen atom is 0.9995 u.

Learn more about mass fraction here:

brainly.com/question/9639161

#SPJ4

3 0
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