NEW
Font size
WorksheetsModule 3 p6
Total questions: 30
Worksheet time: 20mins
The quantity 9.8 m/s/s is an acceleration value and as such is a vector quantity
True
False
An object that is moving rightward and speeding up has a rightward acceleration.
True
False
An object that is moving rightward has a rightward acceleration
True
False
An object which is moving at constant speed in a circle has an acceleration.
True
False
Scalar quantities are path dependent quantities and vector quantities are not.
True
False
A scalar quantity has a magnitude and a vector quantity does not.
True
False
A vector is a large quantity and a scalar is a small quantity.
True
False
The phrase "20 mi, northwest" likely describes the distance for a motion.
True
False
Acceleration is the rate at which the velocity changes.
True
False
A vector quantity is described with a direction and scalar is not.
True
False
The quantity 20 m/s, North is a speed and as such is a scalar quantity.
True
False
A dog is trying to cross a road. He first moves 80cm to the right, the 30cm to the left, then 90cm to the right and finally 310cm to the left. What is the dog's total displacement?
70cm to the right
170cm to the left
510cm to the right
110cm to the left
A car travels along a straight road 150m east the 55m west. What is the total displacement of the car?
95m to east
175m to the east
205m to the east
245m to the east
Velocity is a vector quantity and speed are scalar quantity.
True
False
A 1200kg airplane starts from rest; 5sec later it reaches its takeoff speed of 33m/s. What is the average acceleration of the airplane during this time?
7.5m/s^2
4.6m/s^2
9.3m/s^2
6.6m/s^2
Acceleration is a vector quantity.
True
False
A chipmunk is trying to cross a road. He first moves 80cm to the right, then 30cm to the left, then 90cm to the right and finally 310cm to the left, if the elapsed time is 18sec, what was its average velocity?
12.98 cm/sec
17.28 cm/sec
9.44 cm/sec
14.75 cm/sec
Distance is a vector quantity and displacement are a scalar quantity
True
False
The average velocity of an object on a round-trip journey would be zero.
True
False
A chipmunk is trying to cross a road. He first moves 80cm to the right, then 30cm to the left, then 90cm to the right and finally 310cm to the left, if the elapsed time is 18sec, what was its average speed?
22.07 cm/sec
15.34 cm/sec
18.94 cm/sec
28.33 cm/sec
Hilton walks 4.5 meters east, then walks 3 meters west, and decided to walk for 5 meters east again. What is Hilton's total displacement ?
8 m
12.5 m
12 m
24 m
A cyclist travels 15.37km east, and make a turn of 12.64km west in a time of 26.11min. What is his average speed?
1.07 km/min
0.10 km/min
2.54 km/min
0.07 km/min
If a person walks in a straight line and never changes direction, then the distance and the displacement will have exactly the same magnitude.
True
False
An automobile is traveling along a straight road heading to the southeast at 75m/s when the driver sees a dog begin to cross the road ahead of her. She steps on the brake and brings the car to a complete stop in an elapsed time of 7.68 s . What is the automobile's average acceleration?
9.77m/s^2
19.77m/s^2
19.7m/s^2
9.78m/s^2
Accelerating objects MUST be changing their speed.
True
False
Harrison traveled from his house 2 km left to SM, 5 km left to the wet market, the 1 km right to his grandparents' garden. What was his total displacement
6 km to the left
8 km to the left
7 km to the right
None of the choices
A cyclist travels 15.37km east, and make a turn of 12.64km west in a time of 26.11min. What is his average velocity?
1.25 km/min
1.26 km/min
1.27 km/min
1.28 km/min
An object that is accelerating is moving fast
True
False
A person makes a round-trip journey, finishing where she started. The displacement for the trip is 0 and the distance is some nonzero value
True
False
An object that is moving upwards and slowing down has an upwards acceleration
True
False
