3 years ago

What is the sidereal period used in Kepler’s third law?

1 answer:

3 0

His law exaplins/shows that the average distance of a planet from the Sun cubed is directly proportional to the orbital period squared.

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A force of 1000 newtons was necessary to lift a rock. A total of 3000 joules of work was done. How far was the rock lifted?

CaHeK987 [17]

Answer:

Explanation:

3 meters

4 0

2 years ago

Solve the inequality. x/3 is greater than or equal to - 6. a. x ≥ –9 b. x ≥ 9 c. x ≥ –18 d. x ≤ –18

NISA [10]

To get x on its own, you times the 3 over to the other side so the 3 cancels out on the LHS.

~ x greater than or equal to -18

(C)

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3 years ago

Dense water near the poles sinks, creating a current towards the equator. What would you expect to happen to this current if tem

Rudik [331]

It's not c or d :/!!!!!

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3 years ago

In order to open the clam it catches, a seagull will drop the clam repeatedly onto a hard surface from high in the air until the

Vedmedyk [2.9K]

Answer:

2.2 s

Explanation:

Hi!

Let's consider the origin of the coordinate system at the ground, and consider that the clam starts with zero velocity, the equation of motion of the clam is given by

$x(t) = 23.1 m - \frac{1}{2}(9.8 m/s^2) t^2$

We are looking for a time t for which x(t) = 0

$0 = 23.1 m - (4.9 m/s^2) t^2$

Solving for t:

$t = \sqrt{\frac{23.1}{4.9}} s = 2.17124 s$

Rounding at the first decimal:

t = 2.2 s

4 0

3 years ago

compare to visible light, the wavelength of x-rays is shorter longer or the same and the frequency is lower higher or the same

Doss [256]

Answer:shorter higher

Explanation:Compare to visible light, the wavelength of X-rays is shorter and then frequency is higher

7 0

2 years ago