Chapter 1-4 Review Physics 110

Astrology is an example of a

• Science

• Pseudoscience

Answer explanation

This question is referring to AstroLOGY not AstroNOMY, Astronomy is the science of celestial objects

When we throw an object up in the air, its velocity at the peak

• cannot be calculated.

• is -9.8 m/s

• is 0 m/s

• is -9.8 m/s/s

On the interstate the speed limit is 70 MPH, how many m/s is that?

• 50.3 m/s

• 23 m/s

• 1877 m/s

• 31.3 m/s

Answer explanation

__________ is when science is applied to make our lives easier

Examples of physical sciences include:

• Chemistry

• Biology

• Physics

• Astronomy

Answer explanation

Biology is a life science

_______ is related to all sciences including physical and life sciences

Which of these graphs show velocity vs time?

• the blue one

• the green one

• the red one

• none

What is the formula to calculate the average speed of an object moving in a straight line?

a hypothesis that has been tested repeatedly and has not been contradicted

• Observation

• Theory

• Law

• Fact

The difference between speed and velocity is that speed lacks a _________