PLEASE HELP ASAP!!! THANKS! how do stars and planets effect eachother?

Physics

2 answers:

Dvinal [7]3 years ago

7 0

Answer:

Stars and planets each have their own gravitational pull. Obviously a star would have a larger gravitational pull than a planet because it's larger. A star's gravitational pull keeps a planet in orbit around that star.

Explanation:

Serhud [2]3 years ago

6 0

Answer:

"Planets May Affect the Chemistry of Their Stars. Planets are, by and large, at the mercy of their stars. Not only do stars provide a ready energy source of radiated light and heat, but the mass and gravitational pull of stars flat-out dwarfs the summed masses and pulls of any orbiting companions."

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A truck moving at 13.3 m/s hits a concrete wall. As a result of the collision, a 6-kg wrench moves forwards and strikes the wall

Naddik [55]

Answer:

Explanation:

The velocity of the wrench must be equal to the velocity of the truck . So momentum of the wrench before it hits the wall

= mv = 6 x 13.3 = 79.8 kg m /s

If resisting force of wall be F , impulse on the wrench = F x time

= F x .07

Impulse = change in momentum of the wrench = mv - 0 = mv = 79.8 kgm/s

So F x .07 = 79.8

F = 1140 N .