Recent content by Nothing

Resolve the problem into two different equations since it's in 2D x direction: m1 * v1 * cos(theta) + m2 * v2 * cos(theta') = (m1+m2) * v3 * cos(theta'') y direction: m1 * v1 * sin(theta) + m2 * v2 * sin(theta') = (m1+m2) * v3 * sin(theta'')

Recall Work = -(delta)PE Fd = -(0.5kx^2 + 3kx) F = -0.5kx - 3k F = -3k , x = 0

X being negative does not make it a invalid solution, it's perfectly okay to have negative exponent values, the solutions are -4, -5.

I have a problem when programming windows, whenever i minimize or invalidate a region inside the window, the content that was on there before was not restored. Is there way to program windows such that it restores what was on there even if i invalidate or restore it after a minimize?

How can i find the height with only one side of the triangle known? Where solving it would involve the angle itself?

A skier slides down a slope 10.2m long, inclined at an angle (theta) to the horizontal. The coefficient of kinetic friction is 0.11. Skier's initial speed is 1.9m/s and final speed at the bottom of the slope is 8.3m/s. Find (theta), air resistance is negligible. I have applied F=ma and...

thanks arildno, that really helped. :smile:

ok u know that equation: y = v0 sin (theta) - 0.5at^2 ? where v0 sin (theta) is the vertical component the muzzle velocity is there a counterpart where a is not constant?

ahh... Isn't there an equation(s) derived from the kinematic ones i can just apply?

Hi Does anyone know the projectile motion equations in which the acceleration is NOT constant?

There are not numbers given in the question, plus why is it that the distance between car1 and the intersection always v1(t)? if t=1, distance=v1, t=2, distance=2(v1), so wouldn't that mean that as time goes by the car gets FURTHER away from the intersection instead of closer? Same goes for car2.

please take a look at this... Two cars approach an intersection of two perpendicular roads. The velocities of the cars are v1 and v2. At the moment when car1 reaches the intersection, the separation distance between the two cars is d. What is the minimum separation distance between the cars...

I need help with this problem... can sum1 take a look please? Two cars approach an intersection of two perpendicular roads. The velocities of the cars are v1 and v2. At the moment when car1 reaches the intersection, the separation distance between the two cars is d. What is the minimum...