In the district soccer championship finals, Elizabeth kicks a 6 N soccer ball with a force of 80.0 N to the right. There is friction between the ball and the ground (mu=0.20) as well as 23 N of air resistance.

(i) Draw the FBD for the ball; include both types of forces and magnitudes.

(ii) What is the net force acting on the ball? Show work

(iii) What is the acceleration of the ball? Show work

What are chlorofluorocarbons and what impact do they have on the atmosphere?

Very large accelerations can injure the body, especially if they last for a considerable length of time. one model used to gauge the likelihood of injury is the severity index ( ), defined as =/ . in the expression, is the duration of the accleration, but is not equal to the acceleration. rather, is a dimensionless constant that = the number of multiples of that the acceleration is equal to.in one set of studies of rear-end collisions, a person's velocity increases by 13.7 km/h with an acceleration of 36.0 m/s2 . let the + direction point in the direction the car is traveling. what is the severity index for the collision?

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k