In a position-time graph, time is always place in the ______axis
What is x axis
100
A process scientis use in order to find answers to their questions
What is scientific method
200
What is the base unit for lenght?
What is meter
200
Which of the following is not an example of a vector quantiy. a velocity b. displacement c. force d. time
What is time
200
Which of the following describes the velocity of the car 10miles/hour or 10 miles/hour south
What is 10miles/hour south
200
A horizontal line in a position-time graph indicates that the object is
What is at rest or not in motion
200
An educated guess
What is hypothesis
300
The mass of an object is 50 kg. What is its mass in milligrams
What is 50,000,000
300
If vector 1 is 10 meters east and vector 2 is 6 meters west. what is the magnitude and direction of a resultant vector.
What is 4 meters east.
300
How long will it take a car to travel a distance of 90 miles at a speed of 45miles/hour?
What is 2 hours
300
In a position-time graph the slope of the graph represents its..
What is speed or velocity
300
True or false: A scientific theory differs from a scientific law because a theory is always true at all times
What is False
400
The metric system uses prefixes and it is express in the powers of ten. What is Mega equal to
What is 10 to the power of 6
400
Bob walks for 3 meters north and decided to go back 5 meters south. What is the magnitude and direction of Bob's walk?
What is 2 meters south
400
What are the three ways by which a velocity of the car can be change?
What is increasing speed, decreasing speed and changing direction
400
In a position-time graph the object is is said to be moving at a constant speed if the slope is
What is the same at all points
400
In a question Does the shape of the car affects its speed the independent variable is
What is the shape of the car
500
How many kilogram are there in 2.5 terragram
What is 2.5 x 10 to the power of positive 9
500
John walks 3 meters east and 4 meters north. How far John is from its starting point.
What is 5meters
500
Matt walks for 6 meters east and decided to go back and walk for another 2 meters. If the walking time is 4 minutes. What is the average velocity of Matt?
What is 1meters/min. East
500
In a position-time graph x = 5, y = 25. assuming that the car moves at a constant speed what would y be if x = 10
What is 50
500
True or False
A scientific method will always start with a prediction