06/23/21

How many protons should be in the beam?

A particle accelerator with a circumference of 7500m needs to transmit a beam of 12 mA protons (q= 6 x 10^19 C) orbiting at (3.0 x 10^8 m/s ).How many protons should be in the beam?

04/13/21

Calculate the following:

Exercise1: For a frequency of 4,000Hz with an amplitude of 2×10⁻⁷ m and 4×10⁻⁷ m in air calculate the intensity. The density of air at 20°C is 1.2 kg/m³ and the speed of propagation in air is... more

Differentiation and Integration of a difficult function

I am an expert and experienced Math and Physics professional. I thought I could use help from Math tutoring community and new ideas for solution of a difficult problem.∫.Given that y =... more

Veena is the owner of ‘Smoke and Bake” restaurant. On average, Veena makes $825 per week at her restaurant with a standard deviation the rest of the question is below

Veena is the owner of ‘Smoke and Bake” restaurant. On average, Veena makes $825 per week at her restaurant with a standard deviation of $ 72.20. What percent of the time will the weekly sales be... more

06/16/20

please HELP me with this work

Find the values of α and β such that the function f(x) = ( α cos x + 2 if x < 0 βe^3x + αx^2 if x ≥ 0 is continuous on the interval (−∞,∞). (b)For which values of α and β is the function f(x)... more

Vectors Math Problem

Let point C = (−2, 5), point D = (3, 8), and point E = (4, −1).​Define u =  and v = . a.​Sketch vectors u  and  v .​b.​Sketch vector u + v  and compute it algebraically. Does this agree with your... more

04/29/20

Use implicit differentiation to find dy/dx .

Use implicit differentiation to find dy/dx .ln(y) − 4x ln(x) = −8

04/29/20

Find an equation of the tangent line to the graph of y = e−x2 at the point (5, 1/e^25)

Find an equation of the tangent line to the graph of y = e−x2 at the point (5, 1/e^25)

Assume that the number of network errors experienced in a day on a local area network (LAN) is distributed as a Poisson random variable.

The average number of network errors experienced in a day is 2.4. What is the probability that in any given daya. Zero network errors will occur?b. Exactly one network error will occur? c. Two or... more

Probability of matching letter with marked envelopes

Seven envelopes are marked with letters A thru G. Seven letters marked with the same letters are given to a blind person for inserting one letter in each envelope. What is the probability that the... more

04/20/20

Physics Question (Description)

A place kicker must kick a football from a point 36.0 m from the goal and the ball must clear the horizontal crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of... more

04/16/20

Equation of Hyperbola — Help!!

Hi! please help me!Question:A light on a wall produces a shadow in the shape of a hyperbola. If the distance between the two vertices of the hyperbola is 10 inches and the distance between the two... more

Series & Minimum/Maximum

Let Vr = (Ur+1)^2 - (Ur)^2 , where Ur+1 & Ur denote the r+1th and rth term of a sequence where Ur>0It is given that Sigma(from r=1 to n) Vr = [ (n-2)((2n-3)]/ (n^2 + 1) , where n>= 1 and... more

08/12/19

Find Taylor series of function

Find Taylor series of function f(x)= ln(x) at a=9f(x) = Sum (n=0 to inf)C0=C1=C2=C3=C4=Find the interval of convergence. The series is convergent: from x= __ left end, included (yes or no)to x=__... more

07/21/19

At 80 mph in a car, how long would it take to drive 300 miles..

How many hours does it take to drive 300 miles @80 mph?

Help with an equation

Construct an equation whose solution is -8.6.

06/25/19

What is the answer and solution of f(x)=4xsquared-3x

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