Why does mass not affect the period of a pendulum?

If Janie does the same amount of work as Jose, but Janie does it faster than Jose, who produces more power?

Which one of the following choices is an effective way to pervent low-back pain A. eliminate warm-up before exercise B. lift objects by putting weight on your upper back C. maintain correct posture Do. limit the amount of exercise you do per week

Suggest possible explanations why reaction times are different for different people?

Not every lightning strike produces thunder. a. Trueb. False

How much power is reqired to lift a 10-n box 2 meters

Which property of coal makes it ideal for use in a power plant? Check all that apply. It burns easily. It makes ash. It is renewable. It produces a lot of energy. It contains mercury.

Bob is coming toward you at a speed of 75 km/hr. You throw a baseball in his direction at 75 km/hr. What does he see the ball doing?

Give 3 examples of something with potential energy.

A graph that shows that the pressure of a gas varies inversely with its volume under constant temperature demonstrates A. The pressure law B. The density law C. Charle's law D. Boyle's law

5. Why should the electrons be placed separate from each other (why not together) ?