A mass m hangs from a string. The person holding the string accelerates his or her hand to the right at an acceleration . The mass swings back and then hangs at a steady angle of θ as long as the horizontal acceleration is maintained. What is the angle θ ?

Explain using examples, what is simple harmonic motion and why it is an important area of study in physics.

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.