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Ierofanga [76]
3 years ago
8

I NEED THIS ASAP I WILL MARK YOU THE BRAINLIEST NO LINKS !!!!

Physics
2 answers:
White raven [17]3 years ago
7 0
B :) have nice day!!!! :D
masya89 [10]3 years ago
6 0

Answer:

B.

Explanation:

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a force of 5.5 n is applied to an object. the moment arm for the force is 0.84 m. what is the torque produced by the force?
Kipish [7]

A force of 5.5N is applied to an object. The moment arm for the force is 0.84 m, the torque produced by the force is <u>4.62N-m</u>.

A force applied perpendicularly to a lever multiplied by its distance from the lever's fulcrum (the length of the lever arm) is its torque. We can find the torque from a force by taking the perpendicular component of that force and multiplying by the magnitude of the R vector where this R vector is the vector that points from the axis to the point where the force is applied.

To calculate torque produced by the force, we have-

Torque= forcexmoment arm

T = fxd

T =5.5Nx0.84m

T=4.62N-m.

To learn more about torque, visit---

brainly.com/question/20691242

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6 0
2 years ago
Help me yall it due in a few minutes :((()
vaieri [72.5K]

Answer:

B. blocks 2 & 3.

Explanation:

Block 1 has equal & opposite forces acting on it.

Block 2 has 5N on one side, 3N on the other. It will move in the direction the 5N of force is pushing.

Block 3 has no opposing force.

6 0
3 years ago
Salmon often jump waterfalls to reach their
____ [38]

Answer:

Using the range formula R = v^2 sin 2 theta / g

or v^2 = R * g / sin 86.4

v^2 = 3.14 m * 9.81 m/s2 / .998

v^2 = 30.9 m^2 / s^2

v = 5.56 m/s

This hasn't  really proved the question - this would give

vy = 5.56 * sin 43.2 = 3.81 m/s

vx = 5.56 * cos 43.2. = 4.05 m/s

t = 1.57 / 4.05 = .387 sec to reach the waterfall

h = 3.81 * .387 - 4.9 (.387)^2 = .74 m     well above the height of the falls

There seems another way to do this

vy / vx = tan 43.2       vy = .939 vx

h = vy t - 1/2 g t^2       and t = 1.57 / vx

h = 1.57 tan 43.2 - 4.9 (1.57 / vx)^2

Solving for vx I get vx = 3.26 m/s    vy = 3.06 m/s  v = 4.47 m/s

5 0
3 years ago
Which process is a form of mechanical weathering?
marishachu [46]
Mechanical weathering is actually breaking down of rocks into smaller pieces by natural forces. Any weathering processes that can cause the physical breakdown of rocks without any type of change in the chemical composition of rocks, called mechanical weathering.

So, looking at each of the definitions in the options, we can easily choose:
1. Hydration : It's a process of absorbing water by substance.

2. Carbonation: It's a process of Carbon Dioxide dissolving in liquid (mostly water).

3. Oxidation : It's a process of oxygen reacting with some element.

4. <span>Exfoliation:  It's a process where the rocks erodes by peeling off in sheets or layer by layer rather than grain by grain.

As you can see the last one </span><span>Exfoliation matches with the definition of mechanical weathering. It's one of its types.</span>
8 0
4 years ago
Read 2 more answers
Gravity is a force that helps to hold the universe together.true or false
Valentin [98]
Yes, this is a true statement.



gravity is so important.
7 0
3 years ago
Read 2 more answers
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