Physics TEST Chapter 1 & 3
A car maintains a constant velocity of 100 km/h for 10 seconds. During this interval its acceleration is... what
0 km/h x seconds
if a free falling object were somehow equipped with a speedometer, its speed reading would increase each second by about ....... what
10 m/s
ten seconds after starting form rest, an object falling freely will have the velocity of ... what
100 m/s
What is the acceleration of car that goes from 20 km/h to 80 km/h in five seconds
12 km/h times seconds
What is the acceleration of a car that goes from rest of 30 m/s in 2.5 seconds
12 m/s squared times second
It takes about five seconds for stone to fall to the bottom of a mineshaft. How deep is the shaft
125 m Because it's 10 meters per second
A horse gallops a distance of 10 kilometers in a time of 30 minutes. Its average speed is... what?
20 kilometers
How far does a horse travel in 1.75 hours at the speed of 18 km/h
31.5 m
If a car accelerates from rest at 2 Meters per second squared, it's speed two seconds later it will be about
4 m/s
If a car increases its velocity from 0 to 120 km/h in 20 seconds, its acceleration is
6 km/s times second
What is the average speed of a car that travels 160 km in two hours
80 km/h
in each second of fall, the distance of free falling object will fall is
About 10 m
biblical world view is based on...
Gods word
A simple testable statement
Hypothesis
What is the correct prefix to 10 to the 3rd
Kilo
A scaler quantity contains
Magnitude (number and unit only) only
What is the correct prefix to 10 to the -6th
Micro
What is the correct prefix to 10 to the -3rd
Milli
Velocity includes both the_____________________ and __________________ of an object
Speed and direction
Define physics using the definition given in class and include three topics that will be studied
The study of the fundamental laws of nature - motion - magnets - gravity
In order for a hypothesis to be scientific it must have a test for what
Wrongness
What is the correct prefix to 10 to the -2nd
centi
What is the correct prefix to 10 to the 2nd
hecta
A vector quantity has both _____________ and ___________________
magnitude and direction
what is the language of physics
math
a what is a hypothesis that has not been contradicted even though it has been tested over and over again
scientufuc law
While an object near the Earth's surface is in free fall, as it falls its _______________________ increases while its ______________________ remains the same
velocity increases; acceleration remains the same
are facts changeable or revisable
yes