Recent content by Emperor

I was also thinking about maybe majoring in Physics still, but taking two minors over one major: a minor in astronomy and a minor in math. I mainly want to take courses related to my program because I feel there will be more opportunities for jobs that way, but I really like Psychology. It also...

In the school I go to you have three options for a BsC degree: -1 specialist program -2 majors -1 major and 2 minors Physics and Psychology are the subjects I enjoy the most, but I often hear they are unrelated to each other (like putting a physical science and a life science together I...

V=Vo √1-(x^2/a^2) X is the distance of the spring's stretch, but how would you rearrange the equation if you are looking for Amplitude? They both use the same units (meters) as far as I am concerned. Help would be appreciated, thanks; I am still a beginner with Physics.

I need some ideas for an assignment in Physics: I am to determine an experimental protcol which will allow me to determine if statistical differences occur in the data that I will collect. I am collecting data to find the reaction time of two subjects. For example, one student a few years ago...

Homework Statement For which value(s) of x is each expression not defined? Homework Equations x^2+3x-6 divided by x^2-x-12 The Attempt at a Solution The answer that was given turned out to be: x^2+3x-6 divided by (-4)(x+3) Restrictions: x ≠ 4,-3...

Yeah, I messed up the equation: -1=m(-3)^3+g(-3)^2-(-3)+3 -1=-27m+9g+3+3 collect like terms: -7=-27m+9g -1=(-27/7)n - (-9/7)g As you can see I end up with some strange numbers. I never got the correct answer with them so I assume they're wrong. And yet, there's no possible way I can get a...

Homework Statement If f(x) = mx^3 + gx^2 - x + 3 is divided by x - 1, the remainder is 3. If f(x) is divided by x + 3, the remainder is -1. What are the values of m and g? Homework Equations Remainder Theorum/Factor Theorum The Attempt at a Solution Here is what I did...

Homework Statement A 20 kg crate is lifted by an upward force of 200 N. The crate's upward acceleration is: Homework Equations F = ma a = F ÷ m The Attempt at a Solution I can't for the life of me find the answer to this question (which is supposedly .2 m/s^2). I don't know...

The 4m is going up the ramp, while the height is 1.2 m. Its hard to describe because I can't draw the picture here. Edit: Thanks Nathaneal for the quick response, and it was correct! You saved me, thank you very much.

Homework Statement Objects A (2.0 kg), B (1.0 kg), and C (1.0 kg) are pushed up a ramp, which is 4.0 m and 1.2 m high. The applied forces are parallel to the ramp with magnitudes of 9.8 N on A, 4.9 N on B, and 3.1 N on C. Homework Equations Eff = W(output) ÷ E(Input) x 100% W = F...

Thanks for the help. Did you get the answer "8000 N" just like I did this time around?

Homework Statement A rifle bullet leaves the muzzle of a gun at 800. m/sec. The rifle barrel is 80. cm long and the mass of the bullet is 20.g. What force was needed to accelerate the bullet? Homework Equations Formulas: F(Total)= ma F= mg F = micrometers (m)(g)The Attempt at a Solution...