One of these trends, electron affinity, increases up a group and to the right along a period and can be defined as the

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2.

2. which of the following devices is associated with the reception of radio signals? o a. demodulator o b. transmitting antenna o c. oscillator o d. microphone

Asign is hung between two cables as illustrated below. if the sign weighs 350 n, what is the tension (in n) in each cable?