Directions: Read each statement and determine if it is describing speed or velocity. Write your answer on the space provided before the number.
1. Jackson ran 5k in 24 minutes.
2. A storm is travelling 25 km/hour eastward.
3. John walked 420 m in 17.5 seconds.
4. Zart moved the desk 34 cm to the left.
5. A hurricane travels 360 km in 15 hours.
6. Meredith runs 400 meters in 50 seconds.
7. Stephen Jay swims 110 m towards the shore in 72 seconds.
8. Vince throws a baseball 38 m from third base to first base in 1.7 seconds.
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Find answers below.

Explanation:

Velocity can be defined as the rate of change in displacement (distance) with time. Velocity is a vector quantity and as such it has both magnitude and direction.

Mathematically, velocity is given by the equation;

Speed can be defined as distance covered per unit time. Speed is a scalar quantity and as such it has magnitude but no direction.

Mathematically, speed is given by the formula;

1. Speed: Jackson ran 5k in 24 minutes.

2. Velocity: A storm is travelling 25 km/hour eastward.

3. Speed: John walked 420 m in 17.5 seconds.

4. Velocity: Zart moved the desk 34 cm to the left.

5. Speed: A hurricane travels 360 km in 15 hours.

6. Speed: Meredith runs 400 meters in 50 seconds.

7. Velocity: Stephen Jay swims 110 m towards the shore in 72 seconds.

8. Velocity: Vince throws a baseball 38 m from third base to first base in 1.7 seconds.

sonar - device which is used to find the submit submarines, sankalp ship. sonar waves consists of a transmitter and detector which are installed in the observation centre on board of a ship. the ultrasonic waves are sent into the sea at high frequency about 1000 khz in all direction.