read the descriptions. check the boxes to show whether they describe speed or velocity. this involves displacement. this involves direction. this involves total distance. a turtle walks at a rate of 4 mph, then stops. then, the turtle starts walking again at a rate of 4 mph. a turtle walks at a rate of 4 mph in a straight line, then stops. next, he turns right, and again starts walking at a rate of 4 mph. a turtle walks at a rate of 4 mph. a turtle walks north at a rate of 4 mph. velocity speed

Question

Accepted Answer

# Brief Explanations:
Speed is a scalar quantity that only involves the magnitude of how fast an object is moving (total distance covered per unit time). Velocity is a vector quantity that involves both the magnitude of motion and the direction of motion. Displacement is related to velocity as it is the change in position in a particular direction.
1. "This involves displacement": Displacement is related to velocity, so check the Velocity box.
2. "This involves direction": Direction is a key - part of velocity, so check the Velocity box.
3. "This involves total distance": Total distance is related to speed, so check the Speed box.
4. "A turtle walks at a rate of 4 mph, then stops. Then, the turtle starts walking again at a rate of 4 mph": Only magnitude of motion is given, so check the Speed box.
5. "A turtle walks at a rate of 4 mph in a straight line, then stops. Next, he turns right, and again starts walking at a rate of 4 mph": Direction change is mentioned, so check the Velocity box.
6. "A turtle walks at a rate of 4 mph": Only magnitude is given, so check the Speed box.
7. "A turtle walks north at a rate of 4 mph": Direction (north) is given along with magnitude, so check the Velocity box.
# Answer:
| Statement | Velocity | Speed |
|--|--|--|
| This involves displacement | $\boxed{\surd}$ |  |
| This involves direction | $\boxed{\surd}$ |  |
| This involves total distance |  | $\boxed{\surd}$ |
| A turtle walks at a rate of 4 mph, then stops. Then, the turtle starts walking again at a rate of 4 mph |  | $\boxed{\surd}$ |
| A turtle walks at a rate of 4 mph in a straight line, then stops. Next, he turns right, and again starts walking at a rate of 4 mph | $\boxed{\surd}$ |  |
| A turtle walks at a rate of 4 mph |  | $\boxed{\surd}$ |
| A turtle walks north at a rate of 4 mph | $\boxed{\surd}$ |  |

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Question

Explanation:

Answer:

Statement	Velocity	Speed
This involves direction	$\boxed{\surd}$
This involves total distance		$\boxed{\surd}$
A turtle walks at a rate of 4 mph, then stops. Then, the turtle starts walking again at a rate of 4 mph		$\boxed{\surd}$
A turtle walks at a rate of 4 mph in a straight line, then stops. Next, he turns right, and again starts walking at a rate of 4 mph	$\boxed{\surd}$
A turtle walks at a rate of 4 mph		$\boxed{\surd}$
A turtle walks north at a rate of 4 mph	$\boxed{\surd}$