2. How could you tell if the powder was salt, sugar, flour, or baking soda

Why does lightning follow a jagged path

Which state law would be considered unconstitutional based on the Fourteenth Amendment?

1. What is the wavelength of a wave that has a velocity of 220 m/s and a frequency of 660 Hz? answer? 2. What is the frequency of a wave that has wavelength of 0.25 meters and a velocity of 250 m/s? answer?

From the top of a cliff, a person tosses a pebble straight downward with an initial velocity of - 9.0 meters/second. After 0.50 seconds, how far beneath the cliff is the pebble? a) - 2.0 b) - 3.9 c) - 5.7 d) - 10.3

Define energy and provide examples of potential and kinetic energy

Absolute differences between each observed mass and the accepted value, divided by the accepted value, multiplied by 100%

What forms of energy are produced by a violin

Archimedes' principle can be used to calculate the density of a fluid as well as that of a solid. suppose a chunk of iron with a mass of 390.0 g in air is found to have an apparent mass of 350.5 g when completely submerged in an unknown liquid.

6. What does the slope of a velocity-time graph indicate?

How high was a brick dropped from if if falls in 2.5 seconds?