Question

In which one of the following situations does the car have a westward acceleration?
(a) The car travels westward at constant speed.
(b) The car travels eastward and speeds up.
(c) The car travels westward and slows down.
(d) The car travels eastward and slows down.
(e) The car starts from rest and moves toward the east.

Answer 1

Answer on Question#40937 – Physics - Mechanics | Kinematics | Dynamics

In which one of the following situations does the car have a westward acceleration?

(a) The car travels westward at constant speed.

(b) The car travels eastward and speeds up.

(c) The car travels westward and slows down.

(d) The car travels eastward and slows down.

(e) The car starts from rest and moves toward the east.

**Solution:**

To have westward acceleration car must move in west direction and speed up, or move in opposite direction (eastward) and slow down. Thus, the answer is (d).

**Answer:** (c) The car travels westward and slows down.

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