for a moving object, the force acting on the object varies directly with the object acceleration. When a force 42N act on a certain object, the acceleration of the object is 6m/s square. If the force is changed to 28 N, what will be the acceleration of the object?

What is sin 7x/4 ? i need on this urgent trig

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.