Aspring scale hung from the ceiling stretches by 5.1 cm when a 1.6 kg mass is hung from it. the 1.6 kg mass is removed and replaced with a 2.2 kg mass. part a

In a laboratory, nakisha mixes sodium hydroxide solution with an indicator called phenolphthalein. when combined, they create a pink solution. nakisha wonders if mixing other solutions with phenolphthalein will also create this pink color. how could she use the scientific inquiry process to explore it further?

The particles that are found in the nucleus of an atom are

Which of the following examples illustrates static friction? a box sits stationary on a ramp. a ball rolling on the lawn eventually comes to rest. a car rounds a curve on a road. a fish swims upstream.