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KATRIN_1 [288]
2 years ago
9

Block X and Y are attached to each other by a light rope and can slide along a horizontal

Physics
1 answer:
Tresset [83]2 years ago
8 0

the action-reaction forces that the blocks exert on each other will 13 N and 22N

<h3>Force on a Horizontal Plane</h3>

Force is the product of mass and acceleration. There will be constant acceleration on both object X and Y.

Given that the Mass of block X is 10 kg and that of block Y is 5 kg. The magnitude of force of friction on blocks X and Y is 8.0 N and 4.0 N respectively. if an applied force of 40 N [right] acts on block,

We are given that:

  • Mass of block X = 10 Kg
  • Mass of block Y = 5 Kg
  • Applied force = 40 N
  • Magnitude of friction on X block = 8N
  • Magnitude of friction on Y block = 4 N

With the use of the formula below,

F - F_{r} = ma

Where

  • F = force applied
  • F_{r} = frictional force
  • m = mass
  • a = acceleration

The acceleration will be;

40 - (8 + 4) = (10 + 5)a

40 - 12 = 15 a

28 = 15a

a = 28/15

a = 1.8667 m/s^{2}

The tension between the two blocks will be

Force applied-frictional force on X-tension = mass of X × acceleration

That is,

F - F_{r} = ma

40-8-T = 10 × 1.8667

32 - T = 18.667

T = 32 - 18.667

T = 13.33 N

The opposite reaction will be

F - 8 = 10 x 1.8667

F - 4 = 18.67

F = 18.67 + 4

F = 22.67 N

Therefore, the action-reaction forces that the blocks exert on each other will 13 N and 22N

Learn more about forces here: brainly.com/question/388851

#SPJ1

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marissa [1.9K]

Answer: Conversion of 9.83 m/s with a radius of 0.85 m into rotations per minute (rpm) is 99.25 m^{-1}.

Explanation:

Given: Speed = 9.83 m/s

Convert m/s into m/minute as follows.

1 min = 60 sec\\9.83 m/s = 9.83 m/s \times \frac{60 s}{1 min}\\= 529.8 m/min

Radius = 0.85 m

Now, rotations take place in circular motion. So, the circumference of a circle is 2 \pi r.

Therefore, circumference is calculated as follows.

Circumference = 2 \times pi \times r\\= 2 \times 3.14 \times 0.85 m\\= 5.338 m

Formula used to calculate rotations per minute (rpm) are as follows.

rpm = \frac{speed (in meter per minute)}{circumference}\\= \frac{529.8 m/min}{5.338 m}\\= 99.25 m^{-1}

Thus, we can conclude that conversion of 9.83 m/s with a radius of 0.85 m into rotations per minute (rpm) is 99.25 m^{-1}.

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3 years ago
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Three capacitors are connected as follows: 2.8 F capacitor and 5.57 F capacitor are connected in series, then that combination i
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ANSWER

8.99 F

EXPLANATION

We know that two capacitors of capacitances 2.8 F and 5.57 F are connected in series, while a third capacitor of capacitance 7.13 F is connected in parallel to that combination,

The capacitance works similarly to the resistance, except that when capacitors are connected in parallel, their capacitances add up, while when they are connected in series, the equivalent capacitance is like we were finding the equivalent resistance of resistors connected in parallel,

C_{eq}=\frac{1}{\frac{1}{C_1}+\frac{1}{C_2}}+C_3=\frac{1}{\frac{1}{2.8F}+\frac{1}{5.57F}}+7.13F\approx8.99F

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3 years ago
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Car travels 40km/hr for half an hour. How far does it travel
Lerok [7]

Answer:

The car traveled, d = 20 Km

Explanation:

Given that,

The speed of the car, v = 40 Km/h

The time taken by the car is, t = 0.5 h

The distance covered by the car for half an hour, d = ?

The relation between the velocity and displacement is given by the formula,

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Therefore,

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Substituting the given values in the above equation,

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                                             = 20 Km

Hence, the distance covered by the car is, d = 10 Km

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