Recent content by Arman_AAT_Khos

there is more tension in the string while the coconut contains liquid, Tension = W = mg stretching the string, thus increasing L, increasing T the swaying of the liquid (momentum; mv) inside the coconut will add a marginal horizontal force pushing the coconut higher and decreasing the frequency...

Factorial only states the number of ways the entire set (all elements) can be arranged, the different possibilities, or combinations. For instance, if you have three keys in a hat, red=r, green=g, blue=b, there are six ways you can take them out; rgb, rbg, gbr, grb, brg, bgr. The arrangement of...

Factorials represent combinations of a set of objects. so 2 objects can be ordered 2 different ways, 3 objects can be ordered 6 different ways, etc... Matt is right 0! is defined as 1. Maybe you can entertain your teacher with this. A: x! = (x) (x-1) (x-2) ... (x-(x-2)) (x-(x-1)) B: (x-1)...

One method of measuring the ratios involves empirical analysis; This is similar to Euclids method with the use of geometric tools available Greeks (compass and straightedge) to show how ALL circles are similar. Here is a seemingly long but simple proof with no math. If you take two circles of...

chill tribdog, what's with the name calling. I am just voicing my opinion. But I prefer to stay in the Homework forum and help once in awhile, you know things 'punks' do.

I agree with pattylou, another vote for the old simple skin. New one has much too much eye candy, sorry designer but 0 stars for you.

A spring with constant k, and a displacement (x) from static deflection position (dst), also called equilibrium position. Force: k*dst = W_block = mg mg - k(x+dst) = ma ma + kx = 0 ma here gives the force on a spring that expands it by x from equilibrium position, dst. F = -kx, by convention...

Yes, the "_" is a subscript to denote the normal component of acceleration. The pilot is measuring the combined force of his weight with that of centripedal acceleration. So, S ( F_n ) = ma_n = F - mg substitute for F; 4W = ma_n + mg Sorry for the confusion, S ( F_y = 0 ) describes the...

For Bodies in Equilibrium The sum of the Forces is zero, viz. Newton's 1st law of motion: sum of unbalanced external forces contribute to motion of the object. S := Summation S ( F_y = 0 ) Force on him due to gravity is directed downwards away from the radius. Force on him due to the...

1.) My guess is; this is the situation: one block is resting on the board some horizontal distance from the pulley which has the other block hanging vertically from it. F = F_f : impending motion Belt Friction equation for a pulley system is: F_tight = F_loose * e ^ (u * theta) F_tight is the...

my first post! You should draw out the force components, use rectilinear motion equations to find v_f of stationary object, and then solve for v_i of the car that caused the collision. For Bodies in Equilibrium The sum of the Forces is zero, viz. Newton's 1st law of motion: sum of unbalanced...