Why is energy required to compress a spring?

A) the spring has chemical bonds

B) the spring is at room temperature

C) thé position of the spring is being changed

D) the spring is metal

If all forces acting on a rolling ball are balanced, it will ...

The difference between red light and blue light is Wave Speed Amplitude Wavelength

The frequency of the fundamental of the guitar string is 320 Hz. At what speed v do waves move along that string?. Wavelength = 40cm

A train has a constant velocity of 2 m/s east. What is the magnitude of the horizontal acceleration of the train?

When the daughter nucleus produced in a radioactive decay is itself unstable, it will eventually decay and form its own daughter nucleus.

A boy on a bicycle is resting at the top of a hill then he rides his bicycle down the hill describe how the boy potential and kineti energy differ at the top middle and bottom of the him

What is the displacement and distance if I walk 8 blocks north, 9 blocks west and 10 blocks south

What investigations provide large amounts of information about a wide range of variables.

Why would Sodium (Na) and Chlorine (CI) want to form a lonic Bond? -to achieve a full inner valence shell -to achieve a equal amount of protons & electrons in their nucleus -to achieve an stable amount of protons & neutrons in their nucleus -to

A digital thermometer reads 15 degrees Celsius, what is the uncertainty?