A car travels around a
curve at a constant speed of
80.0 km/h. What is the car’s
instantaneous velocity at an
instant when it is headed west
You have to be kidding.
The velocity is given, 80.0km/hr WEST.
To find the car's instantaneous velocity at the moment it is headed west, we need to understand the concepts of speed, velocity, and direction.
Speed is a scalar quantity that measures how fast an object is moving, usually in terms of distance traveled per unit time. In this case, the car is traveling at a constant speed of 80.0 km/h, indicating it covers 80.0 kilometers in one hour.
Velocity, on the other hand, is a vector quantity that includes both speed and direction. It indicates the rate at which an object changes its position. In this case, since the car is traveling on a curve and the question states the car is headed west, the instantaneous velocity we seek must have a westward direction.
To calculate the car's instantaneous velocity, we need to determine the direction and magnitude (speed) of the car at the given moment. Since the car is moving with a constant speed on a curve, its velocity is tangential to the curve at any particular point.
However, without additional information, we cannot determine the exact direction of the car's velocity at any given instant on the curve. To determine the direction, we need an angle measurement relative to a reference point or axis.
Therefore, to find the car's instantaneous velocity at an instant when it is headed west, we would need additional information or context to determine the exact direction of the car's velocity.