Average speed is worked out from dividing distance by time.
Answer:
The answer is C. Testosterone.
Explanation:
Thats what make us a male.
You want to draw a free body diagram of the forces on the sled in the horizontal x-direction.
If you visualize the system in an x-y coordinate plane, the force along the x-direction is the angle it makes with the x-axis multiples by the force.
The angle made with the x-axis is cosine of the angle theta.
Please see picture attached.