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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
You might be interested in
Need help ASAP <br> Thankss + BRAINLIST only for correct answer
spayn [35]

Answer:

False

true

Hope this helps!

7 0
3 years ago
Read 2 more answers
Two teams of nine members each engage in tug-of-war. Each of the first team's members has an average mass of 68 kg and exerts an
diamong [38]

Answer:

(a) Acceleration  = 0.1063 m/s^2      (Second team wins)

(b) Tension in rope = 65.106 N

Explanation:

Total mass of first team = 68 * 9 = 612 kg

Total force of first team = 1350 * 9 = 12150 N

Total mass of second team = 73 * 9 = 657 kg

Total force of seconds team = 1365 * 9 = 12285 N

Difference in force = 12285 - 12150 = 135 N   (towards the second team as it has more force)

(a) For acceleration we get:

F = m * a

135 = (mass of both teams) * a

a = 135 / (612 + 657)

acceleration  = 0.1063 m/s^2      (Second team wins)

(b) Since we know the acceleration of the first team (pulling being pulled towards the second team at an acceleration of 0.1063 m/s^2) , we can find out the force required to move them:

Force required for first team = mass of first team * acceleration

Force required = 612 * 0.1063

Force required = 65.106 N

This is the force exerted on the first team through the rope, so the tension in the rope will also be 65.106 N.

7 0
4 years ago
If an object has a constant acceleration, it must be changing velocity at the same rate over and over again..TrueFalse
Dimas [21]
If its accel is constant and not changing from its number then the velocity is changing so True
4 0
3 years ago
you are hiking along a river and see a tall tree on thhe opposite bank. You measure the angle of elevation of the top of the tre
Sidana [21]

Answer:

Explanation:

Let the height of the tree is y and the distance of tree from point B is x.

According to the diagram

tan61 = \frac{y}{x}

x = 0.55 y ..... (1)

tan49.5 = \frac{y}{50+x}

(50 + 0.55y) 1.17 = y ..... from equation (1)

58.5 + 0.644 y = y

0.356 y = 58.5

y = 164.3 ft

3 0
3 years ago
Two spheres each carry a charge of 1 x 10-7 C. Their centers are separated by
padilas [110]

We have that the force between the two charged objects is mathematically given as F=2.349N

The magnitude of the force between two charged objects.

Given,

Question Parameters:

Two spheres carry a charge of 1x10^-7 C.

Their centers are separated by 0.7m.

Generally, the equation for the Force is mathematically given as

$$F=^{\fra\frac{q 1 q 2} {4 * \pi e * \tau}$$

Therefore

$$F=^\frac{(1 e-7)^{2}}{9 e 9 * 0.7}$$

F=2.349N

<h3>What is magnitude?</h3>

In mathematics, the magnitude or size of a mathematical entity is a property that determines whether the object is bigger or slighter than different things of the same kind. Additional formally, an entity's magnitude is the declared result of an ordering —of the class of things to which it belongs.

To learn more about<u> magnitude</u>, refer to:

brainly.com/question/24468862

#SPJ9

8 0
2 years ago
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