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Morgarella [4.7K]
3 years ago
9

Which of the following is the best definition of energy?

Physics
1 answer:
Montano1993 [528]3 years ago
8 0
Energy is the capacity to do some type of work
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a) A Kuiper Belt Object orbits the Sun with an average orbital distance of 40 AU. What is its orbital period? Round your answer
denpristay [2]

Answer:

253 years

Explanation:

a = Distance in Astronomical units from the sun = 40 AU

P = Orbital period in years

From Kepler's law we have

P^2=a^3

\Rightarrow P^2=40^3

\Rightarrow P^2=64000

\Rightarrow P=\sqrt{64000}

\Rightarrow P=252.982212813

\Rightarrow P\approx 253\ years

The orbital period of the Kuiper belt object is 253 years.

7 0
3 years ago
A 1000 kg rocket ship is traveling at 40 m/s. If the velocity changes to 70
nydimaria [60]

Answer: A

Explanation:

6 0
3 years ago
Gravity on the surface of the moon is only 1/6 as strong as gravity on the Earth. What is the weight of a 19 kg object on the Ea
Dahasolnce [82]

The weight of anything in any place is

         (mass of the thing) x (acceleration of gravity in that place).

-- On Earth, the acceleration of gravity is about  9.807 m/s²

Weight of 19 kg of mass is  (19 kg) x (9.807 m/s²) =  <em>186.3 newtons</em>


-- On the Moon, the acceleration of gravity is about 1.623 m/s²

Weight of the same 19 kg of mass is  (19 kg) x (1.623 m/s²) = <em>30.8  newtons</em>

7 0
3 years ago
A rocket of mass M when empty carries a mass M of fuel. The rocket and fuel travel at speed v.
vekshin1

Answer:

A

Explanation:

Finding the (maximum) respective prime powers would yield the answer. Also we need not ... Is perfectly divisible by 720^n? ... So we can say that for any positive value of n it not divisible.

4 0
3 years ago
Which is an example of kinetic energy?
zysi [14]
It’s D because kinetic energy is the energy of motion
8 0
3 years ago
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