Which of the following statements are true? Displacement is a scalar quantity. Speed is a vector quantity Momentum is a scalar quantity. Force is a vector quantity.
Answer the following:
- - are the choices
Which of the following statements are true?
- Displacement is a scalar quantity.
- Speed is a vector quantity
- Momentum is a scalar quantity.
- Force is a vector quantity.
What is the acceleration of the object starting from rest to a final velocity of 8m/s westward within a time frame of 4 seconds?
- 0.5 m/s2 west
- 0.5 m/s2 east
- 2 m/s2 west
- 2 m/s2 east
Which of the following is an example of distance?
- A car moving at a speed of 2 m/s
- A cow weighs 2 kg
- A bus traveling 20 km west
- Joe jogging on 5 km marathon
What is the speed of a jet that travels 10 km over 10 seconds?
- 1 m/s
- 100 m/s
- 1,000 m/s
- 10,000 m/s
What is the sign of the acceleration of an object that is thrown upward?
- Positive
- Negative
- Zero
- None of the above
What is the direction of motion of an object travelling vertically with a negative sign?
- North
- East
- West
- South
What is the direction of motion of an object travelling horizontally with a positive sign?
- North
- East
- West
- South
Which of the following descriptors is correct regarding an object starting from rest?
- Initial velocity is zero
- Final velocity is zero
- Initial velocity is equal to final velocity
- Final velocity is equal to acceleration due to gravity
If you drop a feather and a coin at the same time in a tube filled with air, which will reach the bottom of the tube first?
- The coin
- The feather
- Both
- None of the above
How much would be the increase in speed of a free falling body on Earth?
- 4.7 m/s
- 6.5 m/s
- 9.8 m/s
- 11 m/s
What is the height of a building if a coin dropped reaches the ground within 6 seconds?
- 0 m
- 6.3 m
- 36.2 m
- 176.4 m
How long is the car accelerating at 2 m/s2 if it started from rest to 4 m/s headed north?
- 0.5 s
- 2 s
- 4 s
- 8 s
How fast is a bus traveling a total distance of 60 m over 10 seconds?
- 6 m/s
- 60 m/s
- 600 m/s
- 6,000 m/s
What is the height of a building if a coin reaches the ground within 4.2 seconds?
- 2 m
- 4.2 m
- 86.4 m
- 96.4 m
What is the final velocity of a rock dropped from a 20 m tall building?
- 0 m/s
- 19.80 m/s
- 20.00 m/s
- 32.34 m/s
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