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Mashutka [201]
3 years ago
7

The minimum number of vectors of unequal magnitude required to

Physics
1 answer:
EleoNora [17]3 years ago
4 0

Answer:

d

Explanation:

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Use Kepler's third law to find the planet's average distance (semimajor axis) from its star. (Hint: Because the mass of the star
konstantin123 [22]

Answer:

Explanation: The planet average distance = 42300km

Kepler's 3rd Law also known as the Harmonic Law states that;

for each planet orbitting the sun, its side real period squared divided by the cube of the semi-major axis of the orbit is a constant.

A planet, mass m, orbits the sun, mass M, in a circle of radius r and a period t. The net force on the planet is a centripetal force, and is caused the force of gravity between the sun and the planet.

Please find the attached file for the solution

3 0
3 years ago
When vibrational motion in an object increases, which is a true statement?
Step2247 [10]
When vibrational motion in an object increases, the statement that is true is that the kinetic energy temperature and thermal energy increases. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer comes to your help. 
6 0
3 years ago
A ray of yellow light ( f = 5.09 × 1014 hz) travels at a speed of 2.04 × 108 meters per second in
SashulF [63]
Velocity = fλ

where f is frequency in Hz, and λ is wavelength in meters.

<span>2.04 * 10⁸ m/s =  5.09 * 10¹⁴  Hz   *  λ </span>

<span>(2.04 * 10⁸ m/s) / (5.09 * 10¹⁴  Hz ) = λ </span>

<span>4.007*10⁻⁷  m =  λ </span>

<span>The wavelength of the yellow light = 4.007*10⁻⁷  m<span> </span></span>
6 0
3 years ago
A skateboard has a mas of 450g if it travels at 7m/s what is te momentum
Elza [17]

Answer:

Momentum (P)= 3.15Kg.m/s

Explanation:

Because momentum by definition is the product of mass and velocity, therefore, it's calculated by the formula;

P=mv,,,

where 'P' Is the momentum

'm' is mass in Kilograms, note that mass should be in Kilograms, therefore the 450grams should be converted to kilograms by dividing it with a 1000, i.e (450g×1kg/1000g)= 0.45kg, and now you can substitute in the formula because you have everything you need to find momentum in the right si units.

so P=mv

P=0.45Kg×7m/s

P=3.15Kg.m/s

7 0
2 years ago
Explain the phenomenon and change in potential energy
Reptile [31]

Answer:

Plz mark brainliest

Explanation:

As with kinetic energy, potential energy can change. When two objects interact, each one exerts a force on the other that can cause energy to be transferred to or from the other object.

8 0
3 years ago
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