Which of the following is a phase change?

an explosion

mixing paint

a suspension

ice melting

Smooth and continuous data is a characteristic of a (n) analog signal binary signal digital signal pulse signal

How much force is needed to accelerate an object of mass 90 kg at a rate of 1.2 m/s^2 A. 0.013 N B. 75 N C. 108 N D. 1080 N

Consider a locomotive and the rest of a freight train to be a single object. Suppose the locomotive is pulling the train up a hill.

What are some alternatives to vaccines?

a car advertisement claims their car can go from a stopped position to move 60 miles per hour in 5 seconds the advertisement is describing the cars

What makes the lumbar vertebrae different from the cervical vertebrae and the thoracic vertebrae?

Matter has Certain types of what

Identify the type of relationship that exists between density and temperature

You are standing on the sidewalk and see a bus drive by. What would be an ideal frame of reference? A bird flying overhead A jogger running along the sidewalk A car driving alongside the bus A tree across the street

One isotope of sodium has 11 protons and 7 neutrons. What is the mass number of this isotope?