Parallel light rays travel toward a biconcave lens and are all bent away from the principal axis. Which lens is shown in the diagram?

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

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

During a car accident, a 125kg driver is moving at 31m/s and in 1.5s is brought to rest by an inflating air bag. what is the magnitude of the change in momentum to the driver