Homework Statement
Find the equation of the tangent at the point indicated
y=3cscx
x=pi/4
2. The attempt at a solution
So to do the question you need a point (which im given), the slope and then you need to substitute that all into y=mx+b.
I believe I have differentiated...
Homework Statement
Velocity in m/s at time t is defined as v= 20t(1+2t)^-2
Find Acceleration at 0.5s
2. The attempt at a solution
I missed the day we covered this topic in class and I am under the assumption that I would find the derivative of 20t(1+2t)^-2 and then find the derivative...
I dont know why but I have a lot of trouble factoring. After 3 years of it I would expect to be a lot better at it but I still find it as hard as when I first learned it. Im just wondering if anyone here can help me understand it a little different then my teachers have.
To date I think I...
Sorry I don't know how to show the root sign on the forums so I am just gonna use /
Homework Statement
A stretch is applied to the graph of y=/x to produce the graph of y=/9x . Relative to the x and y axis, this stretch may be described as either a........ (then it lists a, b, c, or d answers)...
Homework Statement
Two Charged spheres are positioned on a horizontal, frictionless insulating surface, as shown below.
I attached the image at the bottom of the post.
Homework Equations
Coulombs Law and F=ma
The Attempt at a Solution
I plugged in ((8.99 x 10^9)(5.0 x 10^-7)(5.0 x...
Homework Statement
A tennis ball with a mass of 110g is traveling 18.5 m/s east. It is struck by a racquet that applies a force of 950 N west. The ball and the racquet are in contact for 3.2ms. The change in momentum of the tennis ball is..
Homework Equations
As far as I can tell p=mv and...