For an object that is speeding up at a constant rate in the positive direction,

what does the velocity vs. time graph look like?

A. A horizontal line, not on the x-axis.

B. A line angled upward

C. A graph curving upward

D. A horizontal line on the x-axis

What is the term for a variable that a scientist adjusts during an experiment

A student obtains the following data in a calorimetry experiment designed to measure the specific heat of aluminum. Initial temperature of water and calorimeter 70.4°C Mass of water 0.403 kg Mass of calorimeter 0.04 kg Specific heat of calorimeter 0.

Two oppositely charged particles are attracted to each other with a force of 2.7 newtons. What the new force be if only one of the charges is doubled?

Why is physics the most basic science?

How many total chromosomes do "normal" human body cells have?

In our physical world, by far, the most abundance free charge in the universe is the electron, which has a negative charge. What do we mean, then, when we say that the surface of an object is positively charged?

You're going camping and are thinking of carrying 3 gallons of water. How much does the water weigh, in units of pounds?

A student is performing a double-slit experiment to determine the wavelength of a light source. She has measured the distance between dark bands and the distance between the slits and the screen.

If a substance cannot be broken down chemically into smaller substances it is A) An element B) a compound C) an atom D) a molecule

Describe the general characteristics of the nearest stars. (Size, luminosity, color, etc., do not include specific stars)