10/16/22

help needed with physics problem
20Ω ----------------------/\/\/\/\/\/\/\/\---------------------- | ... more
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10/15/22

Determine whether fog and gof are continuous at x = 0.
Let $f(x) = x^2$and$g(x) = {−4 if x ≤ 0 {|x − 4| if x > 0$Determine whether fog and gof are continuous at x = 0
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10/14/22

Find the 𝑘𝑡ℎ derivative of 𝑓(𝑥) = 7𝑥6 − 6𝑥5 − 𝑥4 + 2𝑥3 + 3𝑥 − 2 for every positive integer 𝑘. Use this to generalize the higher order derivatives of an arbitrary polynomial function.
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10/14/22

Distance and Displacement

A ship maneuvers 2500 m of islands 1800 m high mountain peak and fires a projectile at an enemy ship 610 m on the other side of the peak. The initial velocity of the projectile is 2500 and it is... more
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10/14/22

3 identical point charges of magnitude 6nC are placed at the 3 corners of a square 40mm on a side. What is the magnitude and direction of the electric field due to the 3 charges at the vacant corner.
Electric Fields in Physics
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10/11/22

What is the speed of the ball traveling? (momentum conservation)
A 90.0 kg man jumps straight up (with no horizontal component of velocity) and catches a horizontally traveling ball. He catches the 0.430 kg ball exactly at the peak of his leap, which is ... more
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10/09/22

OS concept- fork() wait() and execv() system calls
if (!fork()) {if (!fork()) {char* const arguments[] = {"cp", "./img.jpg", "/tmp/", NULL}; execv("/bin/cp", arguments);}exit(0); } else {wait(NULL); } Explain why the main process is not... more
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10/09/22

Center of Mass, Impulse, Momentum, and Collisions
You are driving a truck of mass 5 650 kg at 13 m/s. You accidentally hit a parked car. The car and the passengers have a total mass of 984 kg. (a) What is the speed of the car and the truck after... more
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10/08/22

Determine the time it takes the rock to follow this path.  What is the speed and angle below the positive horizontal which the rock impacts the side of the volcano?
Kilauea in Hawaii is the world's most continuously active volcano. Very active volcanoes characterisitcally eject red-hot rocks and lava rather than smoke and ash. Suppose a large rock is ejected... more
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10/08/22

Help with 4.28 LAB*: Program: Drawing a half arrow C++
Write a program that outputs a downwards facing arrow composed of a rectangle and a right triangle. Arrow dimensions are defined by user specified arrow base height, arrow base width, and arrow... more
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10/07/22

How to find the direction of static frictional force - given angular acceleration? (coin on rotating platform)
Hello,I was wondering if someone could help me with this problem.Given a coin resting on a rotating aluminum ruler (10cm from the center of the ruler), I am given an angular acceleration of the... more
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10/06/22

the question couldn't fit so it's down below
The dome of an electrostatic generator is spherical conductor of radius 13cm. It is initially charged so that the electric potential at the surface is 4.5kV. A smaller isolated sphere of radius 5.2... more
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10/06/22

Landing question
Two kittens are running toward each other, one is named Chloe and the other is named Luna. Luna runs at a speed of 1.40 m/s. If Chloe jumps at an angle of 13.0° with speed 2.00 m/s, at what... more
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10/03/22

Approximately how many times louder is a 155-dB sound than a 75-dB sound?
Approximately how many times louder is a 155-dB sound than a 75-dB sound?
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09/24/22

Use Pumping Lemma to prove if a language is regular or not
L3 = {𝜔𝜔ᴿ𝛽 | 𝜔, 𝛽 ∈ {0,1}⁺} L4 = {1^1 0^j 1^k | 𝑖 > 𝑗 𝑎𝑛𝑑 𝑖 < 𝑘 𝑎𝑛𝑑 𝑖,𝑗, 𝑘 > 0} Need step by step explanation.
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09/21/22

Max Flow Min Cut Question
Hello!I'm trying to prove that for any given edge along a minimum cut in a flow network, the capacity of that edge is equal to the flow along that edge. Basically, if you take any edge on a minimum... more
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09/19/22

unicode conversion
For The unicode character: Ớ Latin Capital Letter O with Horn and Acute.”Its unicode value is 7898 decimal. Find UTF-8 encodings in both hexadecimal and binary
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09/19/22

Weight and Mass Conversion with Constant Acceleration
Hello, I'm having some issues with these homework questions and would appreciate a walkthrough of what kind of equation I'm supposed to use. Thank you in advance!"An astronaut weighs 658 N on... more
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09/19/22

Calculus 3 Bars
How many integer solutions are there to the equation x+y+z=8 for which x,y,and z are all greater or equal than −5?  
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09/18/22

stuck on math question
The surface x^2 + y^2 = 7 is a circular cylinder.What is an equation for the cross section at y = −7 using x and z.What is an equation for the cross section at y = 0 using x and z.What is an... more
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09/17/22

the safe load of a wooden beam
the safe load l of a wooden beam supported at both ends varies jointly as the width, w, and the square of fhe depth, d and inversly as ghe length, l. A wodden beam 4in wide, 7 in deep, and 10 ft... more
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09/14/22

Please help with calculating force on particle.
T‎wo fix‎ed par‎ticles, ea‎ch of ch‎arge 5.0x10-6, are 24 cm a‎part. wha‎t for‎ce do th‎ey exe‎rt on thir‎d pa‎rticle of c‎harge -2.5x10-6 t‎‎hat is 13 cm from eac‎h of th‎emExpress answer in... more
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09/14/22

Find a function y(x) such that 4yy′=x and y(4)=3. y=?
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09/14/22

Solve: y′ = 10xy − 2x, y(0)=4 y(x)=?
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09/13/22

The initial angular speed when turned off and the angular deceleration.
A Turbine is rotating at constant rate, when turned off it deccelerates at a constant rate.The Turbine makes 5 complete rotations in the first second after it is switched off, it then takes another... more
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