The period of a simple pendulum is 3.8 s. the length of the pendulum is doubled. what is the period t of the longer pendulum? t = s

What is a pulley system?

Which of the following are properties of mechanical waves a) energy is transferred with the motion of wave b) waves begin at a source with a disturbance c) waves require a medium or material to move through d) particles of a medium always move

The peak of intensity for our Sun on a black body curve would be in which of the following wavelength ranges?0.01 - 10nm 10 - 380nm 560 - 600nm 1,000,000 to 100,000,000nm

How does sound travel through a medium? A. Sound does not move through a medium. B. Particles move in a circular motion. C. Particles vibrate parallel to the direction the sound travels. D.

Heat is not the same as temperature, yet they are related. Explain how they differ from each other

Why isn't the size of something considered a physical property?

A hunter is standing on flat ground between two vertical cliffs that are directly opposite one another. He is closer to one cliff than the other. He fires a gun and, after a while, hears three echoes. The second echo arrives 1.

A car going at 30 m/s undergoes an acceleration of 2 m / (s^2) for 4 seconds. how far did it travel while accelerating?

The strength of and electromagnet can be altered by

Which of these is a property of most nonmetals? Question 3 options: poor conductors of both heat and electricity reactive lustrous appearance good conductor of heat, but not electricity malleable when a solid