Questions asked by Ryan
- Back to user's profile
-
Physics Question?
-
Please Answer?
-
Wave Question?
-
How do I answer this?
-
Need help on this question?
-
How do I prove the Parallelogram Law of vectors mathematically?
#|a + b|^2 + |a − b|^2 = 2|a|^2 + 2|b|^2#
-
A wire has length of #0.83m# and mass #0.005kg# and resonates at #215#Hz. What is the tension of the wire?
-
An ambulance approaches you while you are stationary. You hear a siren with a frequency of #540#Hz. Once he passes you and is going away from you the frequency is now #440#Hz. How fast was the ambulance going?
-
A speaker has frequency #120# Hz while two points along the horizontal (x) axis register a phase difference of #3# rad, what is the distance of these two points in meters?
-
Find the spring constant of the spring if a spring of length #2m# and mass is #82# grams, is stretched to a length of #2.8 m#. Its frequency is now #25 Hz# after it has been stretched?
-
Two speakers on a horizontal axis both emit #440# Hz sound waves. The two speakers are #pi# radians out of phase. If there is to be a maximum constructive interference what is the minimum separation distance between the two speakers?
-
Find the volume of the solid that lies inside both of the spheres?
#x^2 + y^2 + z^2 + 4x − 2y + 4z + 5 = 0# & #x^2 + y^2 + z^2 = 4#
-
Two strings are tuned to the same pitch (#184# Hz). Later you increase the tension in one string. Now, when both strings are played, there are 2 beats every second. What is the new frequency of the string that was tuned?
-
Can someone verify my answer?
-
How do I find the phase difference for this question?
-
The length of a hallway is #25# meters and the width is #2# meters . A laser is pointed across a mirrored with an angle of #55# degrees. How many times will the laser beam reflect off mirror 1? Image below
-
A light with a wavelength of #540nm# passes trough a diffraction grating that has #5000# slits and is #16 mm# wide. What is the angle #theta# that will the highest order visible diffraction maxima be?
-
What is the wavelength of object inside inside a material if the material has an index of refraction #n = 38.6# and frequency #0.32# THz?
-
Find a vector function, #r(t)#, that represents the curve of intersection of the two surfaces. The cylinder #x^2 + y^2 = 81# and the surface #z = xy#?
-
What does #u# and #v# represent in the following diagram?
-
How would I answer this question about charges?
-
Two masses, each of mass #3 kg# are being held #7# meters apart on a table (neglect friction). They each have #100# microcoulomb of excess negative charge, what will the initial acceleration of each one be when they are let go?
-
What is the Implicit Function Theorem and how do you prove it?
-
Sphere A, has Q units of charge. If we take some little bit of charge q off of sphere A, and put it on sphere B. What should the ratio q/Q be if we want the electrostatic force between the spheres to be a maximum?
-
At which point along the x axis will #q_2# experience no net force given #d=2 m# and relation between charges 1 and 3 is #3q_1=q_3#?
-
What is the charge on the particle given a #50xx10^-6# kg particle is released from rest in a region with a constant electric field of strength #"3000 N/C"#. If the particle is observed to accelerate at a rate of #"22 m/s"^2#?
-
The electric field in a particular area is given by the following function. #vecE=4.4N/Cxi#, which means it gets bigger with increasing x values. Find the potential difference between points A #(x=0,y=+2)# and B #(x=3,y=0)?#
-
What is the change in electrostatic potential energy if an electron is moved #20m# by a uniform electric field of magnitude #155 N/C#?
-
Convert #5.34xx10^-16 # Joules to electron-volts?
-
If the electric potential is given by #V=4xy^2z#, where #V# is in volts and #x, y,z# are in meters, what is the magnitude of the electric field at the point #(4.00hati,−2.00hatj,4.00hatk) m#?
-
A battery can create a #8 V# emf across its terminals. If this battery powers a circuit that requires #1.7# amps for #4# minutes, how much chemical energy is lost by the battery during this time?
-
Use differentials (linear approximation) to approximate #25/(3.1^2+3.8^2)#?
-
What is the limit of #lim_((x,y)->(0,0))x^2/(x^2+y^2)#?
-
What is the limit of #lim_((x,y)->(0,0))x^3/(x^2+y^2)#?