Kine Problem Solving

Choose your values:

Using sum of the days you were born (i.e. 10 March, 11 May, and 04 August you would choose a 25 meter cliff (10+11+04) and an initial velocity of 16 m/s (03+05+08).

From a (sum of days)-meter cliff, Jasmine throws three aerodynamically perfect balls (no air resistance). Ball A is thrown upwards at (sum of months) m/s, Ball B is thrown downwards at (sum of months) m/s and Ball C is simply dropped from the height of (sum of days)-m.

• Sketch the velocity time graph for each of the three balls. Indicate important aspects of each line (points, slope/gradient, and area under the curve)

• Determine and rank the final velocity of the three balls upon impact with the ground.

• Determine and rank the time of the three balls from release to impact with the ground.

• Jasmine's sister has argued that the IB curriculum should be more realistic and include air resistance into their problems. For one of the three balls that was thrown, sketch a graph of the velocity v. time for a ball that experiences air resistance.