Calculus
describe the surface and give traces : x = y^2 - 4z^2
Calculus
Three forces with magnitudes 75 pound, 100 lb, and 125 pound act on an object at angles of 30 degrees, -45 degrees, and 120 degrees respectively. Find the direction and magnitude of the resultant vector.
Calculus
Convert the curve to an equation in rectangular coordinates: x=sin theta + 1 y=2cos theta - 1
Parametric Equations
Find the length of the curve over the given interval: x=t+1 y=ln cos(t) for t=0 ---> t=pi/4
English
How do you write the compound predicate of: People studied coins, saw jewels, or examined ancient tools.?
physics
1600
PHYSICS!?!@@!
A 2.00-kg sphere is rotating about an axis through its center at 40.0 rev/s with the angular velocity in the +z direction. A torque 10.0 Nm acts on the sphere about the center of the sphere in the +x direction. What is the rate of change of the angular momentum of the sphere? ...
PHYSICS help!!!!! =)
An object is rotating with an angular momentum 4.00 kg m2/s while being acted on by a constant torque 3.00 Nm. What is the angular speed of precession of the angular velocity of the object? A.1.33 rad/s. B.0.750 rad/s. C.12.0 rad/s. D.zero. E.It depends on the moment of inerti...
Physics HELP!!
What is the vector product of (4, -3, -5) and (5, -4, 2)? A. (-26, -33, -1) B. 22 C.(20, +12, -10) D.(9, -7, -3) E.(14, -17, -1)
Statistics
. [16 points] A coach uses a nw technique to train gymnasts. 7 gymnasts were randomly selected and their competition scores were recorded before and after the training. The results are shown below. Before After 9.7 9.9 9.4 9.7 9.6 9.2 9.6 9.4 9.6 9.7 9.7 10.0 9.4 9.2 Using a 0...
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