A .323 kg ball is moving 13.9 m/s when it runs into a spring. If the spring compresses .350 m in bringing the ball to a stop, what is the spring constant?

Aseries circuit consists of a resistor with r = 20 ? , a capacitor with c = 0.01 f, and a decaying battery with e = 300e? 5t. if the initial charge is 0, find the charge as a function of time t

Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen. t or f

What are the factors that affect the resistance of a wire?