What is the universe's estimated age

Circle the path function (s) which are affected by a detailed path from one state to another: (A) Temperature (B) Boundary work (C) Pressure (D) Heat (E) Volume

Jack is planning an experiment to see how temperature can affect the reproduction rate of a certain species of bacteria. Jack is listing some of the variables that could affect the outcome of the experiment.

Resistance describes a materials ability to

Why does middle c on an oboe sound different then a middle c played on a piano

If a snorkeler can develop a pressure in her lungs that is 10 kPa below the pressure outside her body, what is the longest snorkel she could use in the ocean?

A projectile is launched over a horizontal surface in such a manner that its maximum height is 3/5 of its horizontal range. Determine the launch angle.

Two identical capacitors are arranged in a circuit. What is the ratio of the equivalent capacitance of the circuit when the capacitors are in series to that when they are in parallel?

A car's position in relation to time is plotted on the graph. What is the car's average velocity for segment C? A) - 4 m/s B) - 0.25 m/s C) 0.25 m/s D) 4 m/s

What percent of my Iodine-131 sample will be left after 7 half-lives?

A 58.0 kg snow skier is on the top of 351 m high hill. After she has gone down a vertical distance of 142 m, what is her mechanical energy? Explain your answer (CER) !