True or false: speed, time and distance

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   At a uniform speed, distance covered is directly proportional to time.

2. Statement is true

   Yes

   Statement

   For a fixed distance, doubling the speed halves the time.

3. Statement is true

   No

   Statement

   For a fixed distance, doubling the speed doubles the time.

4. Statement is true

   Yes

   Statement

   Speed and time are inversely proportional over a fixed distance.

5. Statement is true

   No

   Statement

   Distance and time always vary inversely.

Explanation