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Alexeev081 [22]
3 years ago
8

The pedals on a bicycle give a mechanical advantage by allowing you to turn the pedals a __________ distance to turn the _______

___ circumstance of the wheels. A) long, larger B) long, shorter C) short, larger D) short, shorter
Physics
1 answer:
slava [35]3 years ago
4 0
A short distance to tire the large circumstance
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Erosion and Weathering can cause changes in earths surface but how does erosion alone changes the earth surface.
Dvinal [7]

Answer:

The action of erosion alone can change the earth's surface. Erosion can wash away nutrients on the earth's surface, change the appearance of the soil of a particular area over time, can bore holes, that form caves, change landscapes for example when the earth is hit with gully erosion by continuous water runoff over time. Erosion can move soil to a new area.

Explanation:

Weathering involves breaking down rock into smaller pieces without any form of formal movement of those broken rock pieces. These processes that can lead to weathering are caused by mechanical, chemical, and organic processes which can happen over time. Erosion can now move broken rock pieces or soil to another place by water or wind. Weathering and erosion constantly change the Earth's surface.

8 0
2 years ago
Which sound would be loudest?
Oliga [24]
I think it might be C
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3 years ago
A 3,273N force is applied to a 223kg mass. What is the acceleration of the mass?
Alexxandr [17]

Answer:

acceleration =

14.67ms {}^{ - 2}

Explanation:

  • force = mass × acceleration
  • acceleration = force / mass
  • a = f / m

we know that f = 3273 N, M = 223 kg

  • a = 3273 / 223
  • a = 14.67 m/s^2

<em> </em><em>i</em><em> </em><em>hope</em><em> </em><em>it</em><em> </em><em>helped</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>

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3 years ago
suppose the ball has the smallest possible frequency that allows it to go all the way around the circle. what tension in the str
tatyana61 [14]

The complete question is missing, so i have attached the complete question.

Answer:

A) FBD is attached.

B) The condition that must be satisfied is for ω_min = √(g/r)

C) The tension in the string would be zero. This is because at the smallest frequency, the only radially inward force at that point is the weight(force of gravity).

Explanation:

A) I've attached the image of the free body diagram.

B) The formula for the net force is given as;

F_net = mv²/r

We know that angular velocity;ω = v/r

Thus;

F_net = mω²r

Now, the minimum downward force is the weight and so;

mg = m(ω_min)²r

m will cancel out to give;

g = (ω_min)²r

(ω_min)² = g/r

ω_min = √(g/r)

The condition that must be satisfied is for ω_min = √(g/r)

C) The tension in the string would be zero. This is because at the smallest frequency, the only radially inward force at that point is the weight(force of gravity).

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2 years ago
What are the blue or red big dancing thing infront of a car wash called thank you
Alenkinab [10]
it’s called a tube man
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2 years ago
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