Which of the following quantities has units of a displacement? (There could be m

Question

Which of the following quantities has units of a displacement? (There could be more than one correct choice). 32 ft/s^2 vertically download. 9.8m/s^2 40km southwest. 186,000ml. -120 m/s. Which of the following quantities has units of a velocity? (There could be more than one correct choice). 40 km southwest. 9.8m/s downward. 9.8m/s^2 downward. 186.00ml. -120m/s. When the velocity is constant. only when the velocity is increasing at a constant rate. never. only when the velocity is decreasing at a constant rate. always. If the velocity of an object is zero at some point then its acceleration must also be zero at the point. True. False. Which of the following situations is impossible? An object hat velocity directed east and acceleration directed east An object hat zero velocity but non-zero acceleration An object has velocity directed east and acceleration directed west An object has constant non-mo velocity and changing acceleration. An object has constant non-mo acceleration and changing velocity. Suppose that a car traveling to the west begins to slow down as it approaches a traffic light Which of the following statements about its acceleration is correct? The acceleration is toward the west The acceleration is toward the east. The acceleration is zero. Since the car is slowing down, its acceleration must be negative.

Explanation / Answer

1) C and D

2) B and E

3)A

4)A) True

5) D An object has constant non-zero velocity and changing acceleration

6) B and D

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