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

09/28/20

#### 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

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

05/11/20

#### 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)

04/28/20

#### 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

04/23/20

#### 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

04/14/20

#### 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

08/09/19

08/08/19

07/28/19

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?

07/21/19

07/01/19

#### Help with an equation

Construct an equation whose solution is -8.6.

06/25/19

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