Physics Test Chapter 1 and Two

What are the Five Steps of the Scientific Method?

Calculating your average speed, what info. must you need to know?

Which of the following numbers have four significant figures?
A. )3400
B. ) 3.40
C. )0.0034
D. )34.00

Express the following number in scientific notation; 123,000m?
A. ) 1.23 x 10 -5 m
B. ) 1.23 x 10 -3 m
C. ) 1.23 x 10 5 m
D. ) 1.23 x 10 3 m

What is the speed of an object at rest?
A. ) 15 km/h
B. ) can not be determined without further information
C. ) 0 km/h
D. ) 1 km/h

A measurement of 85 km/h north west is which of the following variables?
A. ) Velocity
B. ) Acceleration
C. ) Speed

An airplane is flying at 635 miles per hour at an altitude of 35,000 feet. It is currently over Kansas and is approximately 16 minutes ahead of its scheduled arrival time. What is its velocity?
A. ) 625 mph
B. ) 35,000 ft/s
C. ) Cannot be determined until further data.
D. ) 16 mi/min

Which of the following does not indicate velocity?
A. ) 40 ft/s SSE
B. )14 mi/hr toward the town square along main street
C. ) 80 miles from Atlanta to Macon
D. ) 28 km/hr going from Acworth towards Kennesaw

A car traveling in a straight line at 22 m/s experiences a -3m/s acceleration After six seconds;
A. ) the speed is constant
B. ) the car is speeding up
C. ) the velocity s constant
D. ) the car is slowing down

a ball is thrown up it reaches its minimum speed at
A. ) the top of its flight
B. ) just before impact
C. )somewhere in the middle
D. )the moment it leaves the hand