Which of the following is not an example of approximate simple harmonic motion? a. a toy car rolling across the floor b. a child swinging on a swing c. a piano wire that has been struck d. a pendulum with an angle of less than 15°

Give your knowledge of these things in your paper, you will compare and contrast analog and digital signals to determine which is more reliable for encoding and transmitting information. you’ll compare these features: signal shape numerical values for signal measurements amount of data that can be transmitted energy requirements privacy and security (ability of the signal to be encoded in a secret code) clarity of signal in the space provided, write down what you already know about any of these features. if you’re not sure, write down questions you might have about the features.

Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false