A strong gust of wind hits a falcon coasting through the sky. The force of the wind on the falcon is 1.3 N, and the wind blows for 1.8 s. What is the magnitude of change to the falcon’s momentum? A. 0.87 kg m/s
B. 1.2 kg m/s
C. 1.9 kg m/s
D. 2.3 kg m/s

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.