Describe at least two ways that you can reduce the friction between two solid surfaces

1 answer:

8 0

I will try to name as much as I can :

• Magnets
• Butter
• Petroleum
• Using a spherical object leaves the surface with very little surface area, basically using balls will help alot
• Using a hockey table leaves you with not friction at all when on

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The watermelon is heaviest, followed by the soccer ball, golf ball and ping pong ball. How does the weight of an object relate t

Illusion [34]

Answer:

It doesn’t really relate

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heavier load the parachute must be moving faster to match the downward force of the greater load

and approx terminal velocity when the parachute is open

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velocity for Soccer ball with parachute = 15m/s

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maw [93]

<span>The hypothetical scenario that would result in the moon not having different phases would be t</span>he moon always stays in one position relative to the earth and sun. Why? If the moon didn't have an phases it would stay in one position. Phases mean change, and if you observe the moon every night, you'll see how it changes; it repeats, so thus it's a pattern.

So, your correct answer should be: <span>D.The moon always stays in one position relative to the earth and sun.</span>

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3 years ago

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charle [14.2K]

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ivann1987 [24]

Answer:

B. t = 0.250s

Explanation:

A. An image with the sketch of the bat emitting a sound, which reflects on a surface and return to the bat is attached below.

B. In order to calculate the time that the pulse emitted by the bat, return to the bat, you first calculate the time that pulse takes to arrive to the object.

You use the following formula:

$x=vt$ (1)