a body of mass 1kg rests on a smooth plane inclined at 30° to the horizontal. what is the magnitude of the force P which, applied along the plane, keeps it from sliding down?what is the normal reaction R between the plane and the body?(Take g= 10m\s2).

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

The graph shows the distance kerri drives on a trip. what is kerri's speed . a. 25 b.75 c.60 d.50