01/05/21

Question of Physics
A block of mass of 2 kg comes with initial velocity v1 = 4im/s and collides with another block of mass of 1 kg coming with initial velocity v2 = -5i m/s on a frictionless horizontal table.... more
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01/05/21

Question of Physics
A ball of mass m collides with a wall with initial velocity -v0 j(and then it rebounds). The force acting on the ball by the wall during the collision is given by F = (At + Bt2) j where A and B are... more
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01/05/21

Question of Physics
Two particles of masses m1 and m2 move with initial velocities v1 and v2 along y and x axes, respectively. The particles collide at the origin and stick together and then they move with some... more
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01/05/21

Question of Physics
A thin rod of length L has a non-uniform mass distribution. The linear mass density λ is given by λ= Ax2 where A is a positive constant.a) Find the total mass of the rod.b) Find xcm (the x... more
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01/05/21

Question of Physics
A bullet of mass m hits a block of mass M on a table with velocity v0. The bullet embeds in the block. The friction coeffcient between the block and the table is µ = µ0.x where µ0 is a constant and... more
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01/05/21

find the flux of the vector field
Let (S) the portion of the sphere " x2 +y2+z2=1 " that lies above xy-plane.Find the flux of the vector field:F = x i + y j + z k across (S)
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01/02/21

Question of Physics
A block of mass m is released at rest at height h. It is undergoinga circular motion around a loop of radius R represented by a dash line (withoutfalling off at the top of the loop). Finda) the... more
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01/02/21

Question of Physics

A block of mass m coming with an initial speed hits the springof a spring constant k at x=0. At this instant, it beginsto experience a friction force in addition to the spring force. The... more
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12/31/20

Please help me with this
An account pays interest at a nominal rate of 6% per year. Find the effective annual yield if interest is compounded.(a) Monthly: effective annual yield= %(b) Weekly: effective annual yield= ... more
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12/31/20

Please Help Me Figure This Out
What is the effective annual yield if a deposit of $1000 grows to $4500 in 18 years? Round your answer to two decimal places. Effective annual yield= % per year
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12/31/20

help needed with calculus question
The graph of the continuous function g is shown above for −3≤x≤5 . The function g is twice differentiable except at x=1Graph:http://prnt.sc/wdcalqLet f be the function with f(1)=3 and... more
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12/29/20

A satellite orbits the Earth (mass = 5.98 x 1024 kg) once every = 43200 s. At what radius does the satellite orbit?
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12/28/20

DIGITAL SYSTEM FOR ENGINEERING
Implement the following Boolean function using: a) 8x1 MUX b) 4x1 MUX F = ABC' + A'BC' + A'BC + AB'C
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12/26/20

sliding snowball from hemispherical surface
A snowball starts sliding down at the top of a hemispherical surface. The mass of the snowball is changing as a function of angle θ with the vertical as follows m = m0e −α cos(θ) where m0 and α are... more
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12/25/20

How can write a proper equation for this question?
An elevator of mass M is accelerating downward with constant acceleration A. Friction force acting on the elevator is constant and given by f (The initial speed of the elevator is zero.). Find the... more
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12/25/20

Partial horizontal motion

given x(t) = (3t)/pi + cos(t). find the particle's horizontal position when its acceleration is -1?
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12/24/20

Write at least two random and systematic errors in Computer Engineering
Write at least two most important random errors in Computer engineering. Write at least two most important systematic errors in Computer engineering.
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12/24/20

Help with the second one please!?
A car is traveling around a circular racing course. The car travels from rest and gradually climbs to a max velocity of 140 m/s. Given the radius of the track is 100 meters and the car goes around... more
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12/22/20

Discrete Mathematics
Determine the truth values of each proposition below.(a) 1 + 1 = 3 if and only if 2 + 2 = 3.(b) If 1 + 1 = 2 or 1 + 1 = 3, then 2 + 2 = 3 and 2 + 2 = 4.(c) If squirrels play badminton, then cats... more
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12/22/20

I need a polynomial for the date 11/21/2003 for this project.
Identify IN ORDER the digits of the month (1 or 2 digits), day (1 or 2 digits), and year (4 digits) of your birthday.For example, if I was born on November 22, 1985, my ordered birthday digits... more
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12/20/20

Proof that a non-negative quadratic equation has at most one solution without using calculus
I'm working through Lax and Terrell's 'Calculus with Applications'. One of the first exercises is to work through the proof of the Cauchy-Schwarz inequality. I'm all good for my proof except for... more
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12/20/20

Discrete Mathematics
Let the logical operator ↑ be defined by the equivalence p↑q ≡¬(p ∨q).(a) Find a compound proposition logically equivalent to ¬p using only thelogical operator ↑(b) Find a compound proposition... more
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12/20/20

Discrete Mathematics
Each inhabitant of a remote village always tells the truth or always lies. Avillager will give only a "Yes" or a "No" response to a question a tourist asks.Suppose you are a tourist visiting this... more
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12/20/20

Discrete Mathematics
The nth statement in a list of 100 statements is "Exactly n of the statementsin this list are false."(a) Which of the statements can be true?(b) Answer part (a) if the nth statement is "At least n... more
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12/19/20

Describe the relationship between the graphs of f and g. Consider amplitude, period, and shifts.
A: The period of g is two times the period of f.B: The amplitude of g is one-half the amplitude of f.    C: The amplitude of g is two times the period of f.D: The period of g is one-half the period... more
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