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Anonimus

Questions (21)

Given an aluminum shell perfectly bonded to a steel core, what is the thermal stress in the aluminum shell when the system is
1. 0 answers
2. 300 views
An isotropic epoxy resin (𝐸=2𝐺𝑃𝑎, 𝜈=0.3) is reinforced by unidirectional glass fibers
1. 0 answers
2. 376 views
Two blocks, m1 = 4 kg and m2 = 2 kg, are in contact with each other and are on a horizontal surface for which the coefficient of
1. 1 answer
2. 685 views
Phil has a box of 16 pencils he wants to put 1/4 of them into his desk draw find a fraction equivalent to 1/4 that shows how
1. 1 answer
2. 482 views
A pendulum of mass m= 0.9 kg and length l=1 m is hanging from the ceiling. The massless string of the pendulum is attached at
1. 8 answers
2. 908 views
In the lecture, we discussed the case of an isothermal atmosphere where the temperature is assumed to be constant. In reality,
1. 4 answers
2. 753 views
A small block of mass m=1 kg glides down (without friction) a circular track of radius R=2 m, starting from rest at height R. At
1. 28 answers
2. 813 views
A gunman standing on a sloping ground fires up the slope. The initial speed of the bullet is v0= 340 m/s. The slope has an angle
1. 4 answers
2. 670 views
A pendulum of mass m= 0.9 kg and length l=1 m is hanging from the ceiling. The massless string of the pendulum is attached at
1. 0 answers
2. 717 views
A Venturi flow meter is used to measure the the flow velocity of a water main. The water main has a diameter of 40.0 cm, and the
1. 1 answer
2. 576 views
A yoyo of mass m=2 kg and moment of inertia ICM=0.04 kg m2 consists of two solid disks of radius R=0.2 m, connected by a central
1. 2 answers
2. 607 views
A ruler stands vertically against a wall. It is given a tiny impulse at θ=0∘ such that it starts falling down under the
1. 0 answers
2. 559 views
A source of sound emits waves at a frequency f= 650 Hz. An observer is located at a distance d= 170 m from the source. Use u=340
1. 8 answers
2. 806 views
Consider a rocket in space that ejects burned fuel at a speed of vex= 1.5 km/s with respect to the rocket. The rocket burns 8 %
1. 1 answer
2. 540 views
A spherical non-rotating planet (with no atmosphere) has mass m1= 5 ×1024 kg and radius r1= 7000 km. A projectile of mass
1. 7 answers
2. 892 views
A merry-go-round (pictured) is sitting in a playground. It is free to rotate, but is currently stationary. You can model it as a
1. 1 answer
2. 668 views
EDXers!!! Plz help with MITx 8.01xI don't know how to solve HW8 Problem 3 Question c) Can anybody help me???? Explain Plz
1. 1 answer
2. 542 views
A gyroscope consists of a uniform disc of mass radius M= 1 kg and radius R= 0.3 m . The disc spins with an angular speed ω= 300
1. 2 answers
2. 746 views
A block of mass m=2 kg on a horizontal surface is connected to a spring connected to a wall (see figure).The spring has a spring
1. 2 answers
2. 509 views
An object of mass m=80 kg moves in one dimension subject to the potential energyU(x)=λ4(x2−a2)2+b2x2.(1) Here we use λ= 1
1. 0 answers
2. 577 views
A meteorite of mass m= 2 ×104 kg is approaching head-on a planet of mass M= 7 ×1029 kg and radius R= 5 ×104 km. Assume that
1. 5 answers
2. 769 views

Answers (7)

wrong 2/10 ):
haha it's fun really. Do u a stand-up showan?
@Greco b one more time
it's wrong
I agree with you Anonymous...Gwerty-think!!!!
9. The maximum value of N/S(N) is 100, and for N = 100, 200, 300, 400, ..., 900, we get the desired value of N/S(N).
Dont cheat :( Cheating is wrong

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