A spring has a spring constant of 25 Newtons per meter. The minimum force required to stretch the spring 0.20 meter from its equilibrium position is approximately

Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b

Estimate of the number of stars in our galaxy

Why do atoms emit energy of only specific wavelengths