A uniform disk of mass 10.0 kg and radius 0.250 m spins at 300 rev/min on a low-friction axle. It must be brought to a stop in 1.00 min by a brake pad that makes contact with the disk at average distance 0.220 from the axis. The coefficient of friction between pad and disk is 0.500. A piston in a cylinder of diameter 5.00 cm presses the brake pad against the disk. Find the pressure required for the brake fluid in the cylinder.

Q: find the change in velocity of the 25 kg object over the entire time shown.

A: Mass of object (m) = 25 kg Velocity versus time is as represented in the graphical form. Initial vel...

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Q: The derivation of equation of pressure variation with elevation of a fluid is based on *

A: The derivation of equation of pressure variation with elevation of a fluid is based on 

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Q: In the figure, the point charges are located at the corners of an equilateral triangle 25 cm on a si...

A: triangle of side 25 cm qb = 8.3 μC and qc = -5.7 μC Electric field due to point charge is define as ...

Q: Topic: Degenerate perturbation theory Explain the Degenerate perturbation theory

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Q: What is the magnitude of the electric field in the region between disks 1 and 2? JĒ,2| = 1.07e-8 X V...

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Q: Which of the collisions demonstrate momentum conservation? Pick all that apply.

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Q: the answer must be a) 1m b) 0.17Hz c) π/3s d) 5.9s e) 0.17m/s   i just need the solutions on how to ...

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Q: An object is moving along the x-axis. At t = 0 it is at x = 0. Its x-component of velocity vx as a f...

A: Write the given values with suitable variables. vxt=αt-βt3α=7.6 m/s2β=4.4 m/s4x=0 Here, x denotes th...

Q: À = 3î + 2ĵ ve B = -î – 4ĵ 40) Calculate the angle between the vectors.

A: Given data :  A= 3i + 2j  B = -i-4j   

Q: Two capacitors have capacitance 4.50 µF and 5.30 uF, respectively. Calculate the equivalent capacita...

A: Write the capacitance of two capacitors. C1=4.50 μFC2=5.30 μF

Q: P6E5

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Q: The normal is an imaginary line that is what to the surface

A: A normal is the imaginary line which is always perpendicular to the surface. 

Q: Problem S: Four point charges of equal magnitude Q = 35 nC are placed on the corners of a e of sides...

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Q: A car drives 2 m/sec. How far does it get in 0.5 min?

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Q: What is the difference between capacitance and capacitor ?

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Q: what is the V0 voltage?

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Q: 30 - With the effect of the force of F = (2xi + 8yj) N, the object starts moving from A (0,3) point ...

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Q: P1E5

A: The electric flux is a measure of amount of electric field lines passing through an area. ϕ=E.Acosθ

Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.