A puck is released on an air table inclined by a =
0.1 rd with respect to the
horizontal. By applying the principle of
conservation of the mechanical energy of the
system (puck, Earth), calculate the velocity of
the puck after a 40 cm journey along a line of
greatest slope.

The scalar triple product computes the magnitude m of the moment of a force vector f about a specified line. it is m = (r × f) · n, where r is the position vector from the line to the point of application of the force and n is a unit vector in the direction of the line. use matlab to compute the magnitude m for the case where f = [12, −5, 4] n, r = [−3, 5, 2] m, and n = [6, 5, −7].

The mantle is made up of which structural zones?

Which of the following is a measure of the amount of light a star directly emits?               a.  luminosity    b.  intensity    c.  wavelength    d.  brightness