# Problem: A baseball is thrown straight up. The drag force is proportional to v2.In terms of g, what is the y-component of the ball's acceleration when its speed is half its terminal speed and it is moving up? Express your solution with three significant digits, and +y direction is upwards. Omit the unit (m/s2).In terms of g, what is the y-component of the ball's acceleration when its speed is half its terminal speed and it is moving back down? Express your solution with three significant digits, and +y direction is upwards. Omit the unit (m/s2).

###### FREE Expert Solution

In this problem, we're told that the drag force is proportional to v2.

Consider a proportionality constant, k for the drag force.

96% (57 ratings) ###### Problem Details

A baseball is thrown straight up. The drag force is proportional to v2.

In terms of g, what is the y-component of the ball's acceleration when its speed is half its terminal speed and it is moving up? Express your solution with three significant digits, and +y direction is upwards. Omit the unit (m/s2).

In terms of g, what is the y-component of the ball's acceleration when its speed is half its terminal speed and it is moving back down? Express your solution with three significant digits, and +y direction is upwards. Omit the unit (m/s2).